EXHIBIT 10.20


                                                                        ANNEX IV
                                                                              TO
                                                             SECURITIES PURCHASE
                                                                       AGREEMENT


                          REGISTRATION RIGHTS AGREEMENT

            THIS REGISTRATION RIGHTS AGREEMENT, dated as of July 9, 1999 (this
"Agreement"), is made by and between SAC TECHNOLOGIES, INC., a Minnesota
corporation, with headquarters located at 4444 West 76th Street, Suite 600,
Edina, MN 55435 (the "Company"), and the entity named on a signature page hereto
(the "Initial Investor").

                              W I T N E S S E T H:

            WHEREAS, upon the terms and subject to the conditions of the
Securities Purchase Agreement, dated as of July 9, 1999, between the Initial
Investor and the Company (the "Securities Purchase Agreement"; terms not
otherwise defined herein shall have the meanings ascribed to them in the
Securities Purchase Agreement), the Company has agreed to issue and sell to the
Initial Investor shares of Series A 9% Convertible Preferred Stock of the
Company having an aggregate liquidation preference of $1,312,500 (the "Preferred
Stock"); and

            WHEREAS, the Company has agreed to issue the Warrants to the Initial
Investor in connection with the issuance of the Preferred Stock; and

            WHEREAS, the Preferred Stock is convertible into shares of Common
Stock (the "Conversion Shares"; which term, for purposes of this Agreement,
shall include shares of Common Stock of the Company issuable in lieu of accrued
dividends on conversion as contemplated by the Preferred Stock) upon the terms
and subject to the conditions contained in the Preferred Stock, and the Warrants
may be exercised for the purchase of shares of Common Stock (the "Warrant
Shares") upon the terms and conditions of the Warrants; and

            WHEREAS, to induce the Initial Investor to execute and deliver the
Securities Purchase Agreement, the Company has agreed to provide certain
registration rights under the Securities Act of 1933, as amended, and the rules
and regulations thereunder, or any similar successor statute (collectively, the
"Securities Act"), with respect to the Conversion Shares and the Warrant Shares;

            NOW, THEREFORE, in consideration of the premises and the mutual
covenants contained herein and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the Company and the
Initial Investor hereby agree as follows:


                                        1



            1. DEFINITIONS. As used in this Agreement, the following terms shall
have the following meanings:

            (a) "Investor" means the Initial Investor and any permitted
transferee or assignee who agrees to become bound by the provisions of this
Agreement in accordance with Section 9 hereof and who holds Preferred Stock,
Warrants or Registrable Securities.

            (b) "Potential Material Event" means any of the following: (i) the
possession by the Company of material information not ripe for disclosure in a
registration statement, which shall be evidenced by determinations in good faith
by the Board of Directors of the Company that disclosure of such information in
the registration statement would be detrimental to the business and affairs of
the Company; or (ii) any material engagement or activity by the Company which
would, in the good faith determination of the Board of Directors of the Company,
be adversely affected by disclosure in a registration statement at such time,
which determination shall be accompanied by a good faith determination by the
Board of Directors of the Company that the registration statement would be
materially misleading absent the inclusion of such information.

            (c) "Register," "Registered," and "Registration" refer to a
registration effected by preparing and filing a Registration Statement or
Statements in compliance with the Securities Act and pursuant to Rule 415 under
the Securities Act or any successor rule providing for offering securities on a
continuous basis ("Rule 415"), and the declaration or ordering of effectiveness
of such Registration Statement by the United States Securities and Exchange
Commission (the "SEC").

            (d) "Registrable Securities" means the Conversion Shares and the
Warrant Shares.

            (e) "Registration Statement" means a registration statement of the
Company under the Securities Act.

            (f) "Required Effective Date" means the relevant Initial Required
Effective Date or Increased Required Effective Date (as those terms are defined
below).

            2. REGISTRATION.

            (a) MANDATORY REGISTRATION.

            (i) The Company shall prepare and file with the SEC, as soon as
possible after the Closing Date but no later than sixty (60) days after the
Closing Date (the "Required Filing Date"), either a Registration Statement on
Form S-3 or SB-2 or an amendment to an existing Registration Statement, in
either event registering for resale by the Investor a sufficient number of
shares of Common Stock for the Initial Investors to sell the Registrable
Securities (or such lesser number as may be required by the SEC, but in no event
less than the number of shares (A) into which the Preferred Stock and all
dividends thereon through the second anniversary of the


                                        2



Closing Date would be convertible at the time of filing of such Registration
Statement (assuming for such purposes that the Conversion Rate were one dollar
and that all shares of Preferred Stock had been eligible to be converted, and
had been converted, into Conversion Shares in accordance with their terms,
whether or not such issuance, accrual of dividends, eligibility or conversion
had in fact occurred as of such date) and (B) which would be issued upon
exercise of all of the Warrants at the time of filing of the Registration
Statement (assuming for such purposes that the Warrants had been eligible to be
exercised for the maximum number of shares contemplated thereby and had been
exercised in accordance with their terms, whether or not such issuance,
eligibility or exercise had in fact occurred as of such date). The Registration
Statement (W) shall include only the Registrable Securities; and (X) shall also
state that, in accordance with Rule 416 and 457 under the Securities Act, it
also covers such indeterminate number of additional shares of Common Stock as
may become issuable upon conversion of the Preferred Stock and the exercise of
the Warrants to prevent dilution resulting from stock splits, or stock
dividends. The Company will use its reasonable best efforts to cause such
Registration Statement to be declared effective on a date (the "Initial Required
Effective Date") which no later than is the earlier of (Y) five (5) days after
notice by the SEC that it may be declared effective or (Z) one hundred fifty
(150) days after the Closing Date.

            (ii) If at any time (an "Increased Registered Shares Date"), the
number of shares of Common Stock represented by the Registrable Shares, issued
or to be issued as contemplated by the Transaction Agreements, exceeds the
aggregate number of shares of Common Stock then registered, the Company shall,
within ten (10) business days after receipt of a written notice from any
Investor, either (X) amend the Registration Statement filed by the Company
pursuant to the preceding provisions of this Section 2, if such Registration
Statement has not been declared effective by the SEC at that time, to register
such Registrable Shares, computed, (1)with respect to Shares previously issued,
as the number of shares actually issued, and (2) with respect to Shares not yet
issued, utilizing a Conversion Rate (as defined in the Certificate of
Designations) which is the lower of the Conversion Rate then applicable or the
Conversion Rate contemplated by the immediately preceding subparagraph (i), or
(Y) if such Registration Statement has been declared effective by the SEC at
that time, file with the SEC an additional Registration Statement on Form S-3 or
other appropriate registration statement form (an "Additional Registration
Statement") to register the shares of Common Stock represented by the
Registrable Shares, computed as contemplated by the immediately preceding
subparagraph (i), that exceed the aggregate number of shares of Common Stock
already registered. The Company will use its reasonable best efforts to cause
such Registration Statement to be declared effective on a date (each, an
"Increased Required Effective Date") which is no later than (Q) with respect to
a Registration Statement under clause (X) of this subparagraph (ii), the Initial
Required Effective Date and (R) with respect to an Additional Registration
Statement, the earlier of (I) five (5) days after notice by the SEC that it may
be declared effective or (II) thirty (30) days after the Increased Registered
Shares Date.

            (b) PAYMENTS BY THE COMPANY.


                                        3



                (i) If the Registration Statement covering the Registrable
Securities is not filed in proper form with the SEC by the Required Filing Date,
the Company will make payment to the Initial Investor in such amounts and at
such times as shall be determined pursuant to this Section 2(b).

                (ii) If the Registration Statement covering the Registrable
Securities is not effective by the relevant Required Effective Date or if the
Investor is restricted from making sales of Registrable Securities covered by a
previously effective Registration Statement at any time (the date such
restriction commences, a "Restricted Sale Date") after the Effective Date other
than during a Permitted Suspension Period (as defined below), then the Company
will make payments to the Initial Investor in such amounts and at such times as
shall be determined pursuant to this Section 2(b).

                (iii) The amount (the "Periodic Amount") to be paid by the
Company to the Initial Investor shall be determined as of each Computation Date
(as defined below) and such amount shall be equal to the Periodic Amount
Percentage (as defined below) of the liquidation preference for all the
Preferred Stock (the "Liquidation Preference") for the period from the date
following the relevant Required Filing Date, Required Effective Date or
Restricted Sale Date, as the case may be, to the first relevant Computation
Date, and thereafter to each subsequent Computation Date. The "Periodic Amount
Percentage" means (A) two percent (2%) of the Liquidation Preference for the
period from the date following the relevant Required Filing Date, Required
Effective Date or Restricted Sale Date, as the case may be, to the first
relevant Computation Date, and (B) three percent (3%) of such Liquidation
Preference of all Preferred Stock to each Computation Date thereafter. Anything
in the preceding provisions of this paragraph (iii) to the contrary
notwithstanding, after the Effective Date the Liquidation Preference shall be
deemed to refer to the sum of (X) the liquidation preference of all shares of
Preferred Stock not yet converted and (Y) the Held Shares Value (as defined
below). The "Held Shares Value" means, for shares acquired by the Investor upon
a conversion within the thirty (30) days preceding the Restricted Sale Date, but
not yet sold by the Investor, the liquidation preference of the Preferred Stock
converted into such Conversion Shares; provided, however, that if the Investor
effected more than one conversion during such thirty (30) day period and sold
less than all of such shares, the sold shares shall be deemed to be derived
first from the conversions in the sequence of such conversions (that is, for
example, until the number of shares from the first of such conversions have been
sold, all shares shall be deemed to be from the first conversion; thereafter,
from the second conversion until all such shares are sold). By way of
illustration and not in limitation of the foregoing, if the Registration
Statement is timely filed but is not declared effective until one hundred
ninety-five (195) days after the Initial Closing Date, the Periodic Amount will
aggregate five (5%) of the Liquidation Preference (2% for days 151-180, plus 3%
for days 181-195).

                (iv) Each Periodic Amount will be payable by the Company in cash
or other immediately available funds to the Investor monthly, without requiring
demand therefor by the Investor.


                                        4



                (v) The parties acknowledge that the damages which may be
incurred by the Investor if the Registration Statement is not filed by the
Required Filing Date or if the Registration Statement has not been declared
effective by a Required Effective Date, including if the right to sell
Registrable Securities under a previously effective Registration Statement is
suspended, may be difficult to ascertain. The parties agree that the Periodic
Amounts represent a reasonable estimate on the part of the parties, as of the
date of this Agreement, of the amount of such damages.

                (vi) Notwithstanding the foregoing, the amounts payable by the
Company pursuant to this provision shall not be payable to the extent any delay
in the effectiveness of the Registration Statement occurs because of an act of,
or a failure to act or to act timely by the Initial Investor or its counsel, or
in the event all of the Registrable Securities may be sold pursuant to Rule 144
or another available exemption under the Act.

                (vii) "Computation Date" means (A) the date which is the earlier
of (1) thirty (30) days after the Required Filing Date, any relevant Required
Effective Date or a Restricted Sale Date, as the case may be, or (2) the date
after the Required Filing Date, such Required Effective Date or Restricted Sale
Date on which the Registration Statement is filed (with respect to payments due
as contemplated by Section 2(b)(i) hereof) or is declared effective or has its
restrictions removed (with respect to payments due as contemplated by Section
2(b)(ii) hereof), as the case may be, and (B) each date which is the earlier of
(1) thirty (30) days after the previous Computation Date or (2) the date after
the previous Computation Date on which the Registration Statement is filed (with
respect to payments due as contemplated by Section 2(b)(i) hereof) or is
declared effective or has its restrictions removed (with respect to payments due
as contemplated by Section 2(b)(ii) hereof), as the case may be.

            3. OBLIGATIONS OF THE COMPANY. In connection with the registration
of the Registrable Securities, the Company shall do each of the following.

            (a) Prepare promptly, and file with the SEC by the Required Filing
Date a Registration Statement with respect to not less than the number of
Registrable Securities provided in Section 2(a) above, and thereafter use its
reasonable best efforts to cause such Registration Statement relating to
Registrable Securities to become effective by the Required Effective Date and
keep the Registration Statement effective at all times during the period (the
"Registration Period") continuing until the earliest of (i) the date that is two
(2) years after the last day of the calendar month following the month in which
the Effective Date occurs, (ii) the date when the Investors may sell all
Registrable Securities under Rule 144 without volume or other restrictions or
limits or (iii) the date the Investors no longer own any of the Registrable
Securities, which Registration Statement (including any amendments or
supplements thereto and prospectuses contained therein) shall not contain any
untrue statement of a material fact or omit to state a material fact required to
be stated therein or necessary to make the statements therein, in light of the
circumstances in which they were made, not misleading;

            (b) Prepare and file with the SEC such amendments (including
post-effective amendments) and supplements to the Registration Statement and the
prospectus used in


                                        5



connection with the Registration Statement as may be necessary to keep the
Registration Statement effective at all times during the Registration Period,
and, during the Registration Period, comply with the provisions of the
Securities Act with respect to the disposition of all Registrable Securities of
the Company covered by the Registration Statement until such time as all of such
Registrable Securities have been disposed of in accordance with the intended
methods of disposition by the seller or sellers thereof as set forth in the
Registration Statement;

            (c) The Company shall permit a single firm of counsel designated by
the Initial Investors to review the Registration Statement and all amendments
and supplements thereto a reasonable period of time (but not less than three (3)
business days) prior to their filing with the SEC, and not file any document in
a form to which such counsel reasonably objects.

            (d) Notify each Investor, such Investor's legal counsel identified
to the Company (which, until further notice, shall be deemed to be Krieger &
Prager, ATTN: Samuel Krieger, Esq.; each, an "Investor's Counsel"), and any
managing underwriters immediately (and, in the case of (i)(A) below, not less
than five (5) days prior to such filing) and (if requested by any such Person)
confirm such notice in writing no later than one (1) business day following the
day (i)(A) when a Prospectus or any Prospectus supplement or post-effective
amendment to the Registration Statement is proposed to be filed; (B) whenever
the SEC notifies the Company whether there will be a "review" of such
Registration Statement; (C) whenever the Company receives (or a representative
of the Company receives on its behalf) any oral or written comments from the SEC
in respect of a Registration Statement (copies or, in the case of oral comments,
summaries of such comments shall be promptly furnished by the Company to the
Investors); and (D) with respect to the Registration Statement or any
post-effective amendment, when the same has become effective; (ii) of any
request by the SEC or any other Federal or state governmental authority for
amendments or supplements to the Registration Statement or Prospectus or for
additional information; (iii) of the issuance by the SEC of any stop order
suspending the effectiveness of the Registration Statement covering any or all
of the Registrable Securities or the initiation of any Proceedings for that
purpose; (iv) if at any time any of the representations or warranties of the
Company contained in any agreement (including any underwriting agreement)
contemplated hereby ceases to be true and correct in all material respects; (v)
of the receipt by the Company of any notification with respect to the suspension
of the qualification or exemption from qualification of any of the Registrable
Securities for sale in any jurisdiction, or the initiation or threatening of any
Proceeding for such purpose; and (vi) of the occurrence of any event that to the
best knowledge of the Company makes any statement made in the Registration
Statement or Prospectus or any document incorporated or deemed to be
incorporated therein by reference untrue in any material respect or that
requires any revisions to the Registration Statement, Prospectus or other
documents so that, in the case of the Registration Statement or the Prospectus,
as the case may be, it will not contain any untrue statement of a material fact
or omit to state any material fact required to be stated therein or necessary to
make the statements therein, in light of the circumstances under which they were
made, not misleading.

            (e) Furnish to each Investor and such Investor's Counsel (i)
promptly after the same is prepared and publicly distributed, filed with the
SEC, or received by the Company, one


                                        6



(1) copy of the Registration Statement, each preliminary prospectus and
prospectus, and each amendment or supplement thereto, and (ii) such number of
copies of a prospectus, and all amendments and supplements thereto and such
other documents, as such Investor may reasonably request in order to facilitate
the disposition of the Registrable Securities owned by such Investor;

            (f) As promptly as practicable after becoming aware thereof, notify
each Investor of the happening of any event of which the Company has knowledge,
as a result of which the prospectus included in the Registration Statement, as
then in effect, includes an untrue statement of a material fact or omits to
state a material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading, and use its best efforts promptly to prepare a supplement or
amendment to the Registration Statement or other appropriate filing with the SEC
to correct such untrue statement or omission, and deliver a number of copies of
such supplement or amendment to each Investor as such Investor may reasonably
request;

            (g) As promptly as practicable after becoming aware thereof, notify
each Investor who holds Registrable Securities being sold (or, in the event of
an underwritten offering, the managing underwriters) of the issuance by the SEC
of a Notice of Effectiveness or any notice of effectiveness or any stop order or
other suspension of the effectiveness of the Registration Statement at the
earliest possible time;

            (h) Notwithstanding the foregoing, if at any time or from time to
time after the date of effectiveness of the Registration Statement, the Company
notifies the Investors in writing of the existence of a Potential Material
Event, the Investors shall not offer or sell any Registrable Securities, or
engage in any other transaction involving or relating to the Registrable
Securities, from the time of the giving of notice with respect to a Potential
Material Event until such Investor receives written notice from the Company that
such Potential Material Event either has been disclosed to the public or no
longer constitutes a Potential Material Event; provided, however, that the
Company may not so suspend the right to such holders of Registrable Securities
during the periods the Registration Statement is required to be in effect other
than during a Permitted Suspension Period. The term "Permitted Suspension
Period" means one or more suspension periods during any consecutive 12-month
period which suspension periods, in the aggregate, do not exceed fifty (50)
days, provided, however, that no one such suspension period shall either (i) be
for more than twenty (20) days or (ii) begin less than ten (10) business days
after the last day of the preceding suspension (whether or not such last day was
during or after a Permitted Suspension Period).

            (i) Use its reasonable efforts to secure and maintain the
designation of all the Registrable Securities covered by the Registration
Statement on the "OTC Bulletin Board Market" of the National Association of
Securities Dealers Automated Quotations System ("NASDAQ") within the meaning of
Rule 11Aa2-1 of the SEC under the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), and the quotation of the Registrable Securities on The
NASDAQ Bulletin Board Market; and, without limiting the generality of the
foregoing, to arrange


                                        7



for at least two market makers to register with the National Association of
Securities Dealers, Inc. ("NASD") as such with respect to such Registrable
Securities;

            (j) Provide a transfer agent and registrar, which may be a single
entity, for the Registrable Securities not later than the effective date of the
Registration Statement;

            (k) Cooperate with the Investors to facilitate the timely
preparation and delivery of certificates for the Registrable Securities to be
offered pursuant to the Registration Statement and enable such certificates for
the Registrable Securities to be in such denominations or amounts as the case
may be, as the Investors may reasonably request, and, within three (3) business
days after a Registration Statement which includes Registrable Securities is
ordered effective by the SEC, the Company shall deliver, and shall cause legal
counsel selected by the Company to deliver, to the transfer agent for the
Registrable Securities (with copies to the Investors whose Registrable
Securities are included in such Registration Statement) an appropriate
instruction and opinion of such counsel; and

            (l) Take all other reasonable actions necessary to expedite and
facilitate disposition by the Investor of the Registrable Securities pursuant to
the Registration Statement.

            4. OBLIGATIONS OF THE INVESTORS. In connection with the registration
of the Registrable Securities, the Investors shall have the following
obligations:

            (a) It shall be a condition precedent to the obligations of the
Company to complete the registration pursuant to this Agreement with respect to
the Registrable Securities of a particular Investor that such Investor shall
furnish to the Company such information regarding itself, the Registrable
Securities held by it, and the intended method of disposition of the Registrable
Securities held by it, as shall be reasonably required to effect the
registration of such Registrable Securities and shall execute such documents in
connection with such registration as the Company may reasonably request. At
least ten (10) days prior to the first anticipated filing date of the
Registration Statement, the Company shall notify each Investor of the
information the Company requires from each such Investor (the "Requested
Information") if such Investor elects to have any of such Investor's Registrable
Securities included in the Registration Statement. If at least two (2) business
days prior to the filing date the Company has not received the Requested
Information from an Investor (a "Non-Responsive Investor"), then the Company may
file the Registration Statement without including Registrable Securities of such
Non-Responsive Investor;

            (b) Each Investor, by such Investor's acceptance of the Registrable
Securities, agrees to cooperate with the Company as reasonably requested by the
Company in connection with the preparation and filing of the Registration
Statement hereunder, unless such Investor has notified the Company in writing of
such Investor's election to exclude all of such Investor's Registrable
Securities from the Registration Statement; and

            (c) Each Investor agrees that, upon receipt of any notice from the
Company of the happening of any event of the kind described in Section 3(e) or
3(f), above, such Investor will


                                        8



immediately discontinue disposition of Registrable Securities pursuant to the
Registration Statement covering such Registrable Securities until such
Investor's receipt of the copies of the supplemented or amended prospectus
contemplated by Section 3(e) or 3(f) and, if so directed by the Company, such
Investor shall deliver to the Company (at the expense of the Company) or destroy
(and deliver to the Company a certificate of destruction) all copies in such
Investor's possession, of the prospectus covering such Registrable Securities
current at the time of receipt of such notice.

            5. EXPENSES OF REGISTRATION. (a) All reasonable expenses (other than
underwriting discounts and commissions of the Investor) incurred in connection
with registrations, filings or qualifications pursuant to Section 3, but
including, without limitation, all registration, listing, and qualifications
fees, printers and accounting fees, the fees and disbursements of counsel for
the Company and a fee for a single counsel for the Investors not exceeding, in
the aggregate for all Investors, $2,500, shall be borne by the Company.

            (b) Neither the Company nor any of its subsidiaries has, as of the
date hereof, nor shall the Company nor any of its subsidiaries, on or after the
date of this Agreement, enter into any agreement with respect to its securities
that is inconsistent with the rights granted to the Investors in this Agreement
or otherwise conflicts with the provisions hereof. Neither the Company nor any
of its subsidiaries has previously entered into any agreement granting any
registration rights with respect to any of its securities to any Person, other
than the Registration Rights granted to the Initial Investor or its affiliates
and approximately 400,000 shares underlying Warrants and Options previously
granted. Without limiting the generality of the foregoing, without the written
consent of the Investors holding a majority of the Registrable Securities, the
Company shall not grant to any person the right to request the Company to
register any securities of the Company under the Securities Act unless the
rights so granted are subject in all respects to the prior rights in full of the
Investors set forth herein, and are not otherwise in conflict or inconsistent
with the provisions of this Agreement and the other Transaction Agreements. This
provision shall not preclude the Company from granting piggyback registration
rights to any person to register the public resale of shares in any Registration
Statement filed after the effective date of any Registration Statement filed
hereunder.

            6. INDEMNIFICATION. In the event any Registrable Securities are
included in a Registration Statement under this Agreement:

            (a) To the extent permitted by law, the Company will indemnify and
hold harmless each Investor who holds such Registrable Securities, the
directors, if any, of such Investor, the officers, if any, of such Investor,
each person, if any, who controls any Investor within the meaning of the
Securities Act or the Exchange Act (each, an "Indemnified Person" or
"Indemnified Party"), against any losses, claims, damages, liabilities or
expenses (joint or several) incurred (collectively, "Claims") to which any of
them may become subject under the Securities Act, the Exchange Act or otherwise,
insofar as such Claims (or actions or proceedings, whether commenced or
threatened, in respect thereof) arise out of or are based upon any of the
following statements, omissions or violations in the Registration Statement, or
any post-effective


                                        9



amendment thereof, or any prospectus included therein: (i) any untrue statement
or alleged untrue statement of a material fact contained in the Registration
Statement or any post-effective amendment thereof or the omission or alleged
omission to state therein a material fact required to be stated therein or
necessary to make the statements therein not misleading, (ii) any untrue
statement or alleged untrue statement of a material fact contained in the final
prospectus (as amended or supplemented, if the Company files any amendment
thereof or supplement thereto with the SEC) or the omission or alleged omission
to state therein any material fact necessary to make the statements made
therein, in light of the circumstances under which the statements therein were
made, not misleading or (iii) any violation or alleged violation by the Company
of the Securities Act, the Exchange Act, any state securities law or any rule or
regulation under the Securities Act, the Exchange Act or any state securities
law (the matters in the foregoing clauses (i) through (iii) being, collectively,
"Violations"). Subject to clause (b) of this Section 6, the Company shall
reimburse the Investors, promptly as such expenses are incurred and are due and
payable, for any legal fees or other reasonable expenses incurred by them in
connection with investigating or defending any such Claim. Notwithstanding
anything to the contrary contained herein, the indemnification agreement
contained in this Section 6(a) shall not (I) apply to a Claim arising out of or
based upon a Violation which occurs in reliance upon and in conformity with
information furnished in writing to the Company by or on behalf of any
Indemnified Person expressly for use in connection with the preparation of the
Registration Statement or any such amendment thereof or supplement thereto, if
such prospectus was timely made available by the Company pursuant to Section
3(c) hereof; (II) be available to the extent such Claim is based on a failure of
the Investor to deliver or cause to be delivered the prospectus made available
by the Company; or (III) apply to amounts paid in settlement of any Claim if
such settlement is effected without the prior written consent of the Company,
which consent shall not be unreasonably withheld. Each Investor will indemnify
the Company and its officers, directors and agents (each, an "Indemnified
Person" or "Indemnified Party") against any claims arising out of or based upon
a Violation which occurs in reliance upon and in conformity with information
furnished in writing to the Company, by or on behalf of such Investor, expressly
for use in connection with the preparation of the Registration Statement,
subject to such limitations and conditions as are applicable to the
Indemnification provided by the Company to this Section 6. Such indemnity shall
remain in full force and effect regardless of any investigation made by or on
behalf of the Indemnified Person and shall survive the transfer of the
Registrable Securities by the Investors pursuant to Section 9.

            (b) Promptly after receipt by an Indemnified Person or Indemnified
Party under this Section 6 of notice of the commencement of any action
(including any governmental action), such Indemnified Person or Indemnified
Party shall, if a Claim in respect thereof is to be made against any
indemnifying party under this Section 6, deliver to the indemnifying party a
written notice of the commencement thereof and the indemnifying party shall have
the right to participate in, and, to the extent the indemnifying party so
desires, jointly with any other indemnifying party similarly noticed, to assume
control of the defense thereof with counsel mutually satisfactory to the
indemnifying party and the Indemnified Person or the Indemnified Party, as the
case may be. In case any such action is brought against any Indemnified Person
or Indemnified Party, and it notifies the indemnifying party of the commencement
thereof, the indemnifying party will be


                                       10



entitled to participate in, and, to the extent that it may wish, jointly with
any other indemnifying party similarly notified, assume the defense thereof,
subject to the provisions herein stated and after notice from the indemnifying
party to such Indemnified Person or Indemnified Party of its election so to
assume the defense thereof, the indemnifying party will not be liable to such
Indemnified Person or Indemnified Party under this Section 6 for any legal or
other reasonable out-of-pocket expenses subsequently incurred by such
Indemnified Person or Indemnified Party in connection with the defense thereof
other than reasonable costs of investigation, unless the indemnifying party
shall not pursue the action of its final conclusion. The Indemnified Person or
Indemnified Party shall have the right to employ separate counsel in any such
action and to participate in the defense thereof, but the fees and reasonable
out-of-pocket expenses of such counsel shall not be at the expense of the
indemnifying party if the indemnifying party has assumed the defense of the
action with counsel reasonably satisfactory to the Indemnified Person or
Indemnified Party. The failure to deliver written notice to the indemnifying
party within a reasonable time of the commencement of any such action shall not
relieve such indemnifying party of any liability to the Indemnified Person or
Indemnified Party under this Section 6, except to the extent that the
indemnifying party is prejudiced in its ability to defend such action. The
indemnification required by this Section 6 shall be made by periodic payments of
the amount thereof during the course of the investigation or defense, as such
expense, loss, damage or liability is incurred and is due and payable.

            7. CONTRIBUTION. To the extent any indemnification by an
indemnifying party is prohibited or limited by law, the indemnifying party
agrees to make the maximum contribution with respect to any amounts for which it
would otherwise be liable under Section 6 to the fullest extent permitted by
law; provided, however, that (a) no contribution shall be made under
circumstances where the maker would not have been liable for indemnification
under the fault standards set forth in Section 6; (b) no seller of Registrable
Securities guilty of fraudulent misrepresentation (within the meaning of Section
11(f) of the Securities Act) shall be entitled to contribution from any seller
of Registrable Securities who was not guilty of such fraudulent
misrepresentation; and (c) contribution by any seller of Registrable Securities
shall be limited in amount to the net amount of proceeds received by such seller
from the sale of such Registrable Securities.

            8. REPORTS UNDER EXCHANGE ACT. With a view to making available to
the Investors the benefits of Rule 144 promulgated under the Securities Act or
any other similar rule or regulation of the SEC that may at any time permit the
Investors to sell securities of the Company to the public without registration
("Rule 144"), the Company agrees to:

            (a) file with the SEC in a timely manner all reports and other
documents required of the Company under the Securities Act and the Exchange Act,
or, if the provisions of Rule 144(c)(2) are applicable, ensure that the
standards contemplated by Rule 144(c) to permit sales by the Investors under
said Rule 144 are satisfied at all times; and

            (b) furnish to each Investor so long as such Investor owns
Registrable Securities, promptly upon request, (i) a written statement by the
Company that it has complied


                                       11



with the reporting requirements of Rule 144, the Securities Act and the Exchange
Act, (ii) a copy of the most recent annual or quarterly report of the Company
and such other reports and documents so filed by the Company and (iii) such
other information as may be reasonably requested to permit the Investors to sell
such securities pursuant to Rule 144 without registration.

            9. ASSIGNMENT OF THE REGISTRATION RIGHTS. The rights to have the
Company register Registrable Securities pursuant to this Agreement shall be
automatically assigned by the Investors to any transferee of the Registrable
Securities (or all or any portion of any unconverted Preferred Stock or
unexercised Warrant) only if: (a) the Investor agrees in writing with the
transferee or assignee to assign such rights, and a copy of such agreement is
furnished to the Company within a reasonable time after such assignment, (b) the
Company is, within a reasonable time after such transfer or assignment,
furnished with written notice of (i) the name and address of such transferee or
assignee and (ii) the securities with respect to which such registration rights
are being transferred or assigned, (c) immediately following such transfer or
assignment the further disposition of such securities by the transferee or
assignee is restricted under the Securities Act and applicable state securities
laws, and (d) at or before the time the Company received the written notice
contemplated by clause (b) of this sentence the transferee or assignee agrees in
writing with the Company to be bound by all of the provisions contained herein.
In the event of any delay in filing or effectiveness of the Registration
Statement as a result of such assignment, the Company shall not be liable for
any damages arising from such delay, or the payments set forth in Section 2(c)
hereof arising from such delay.

            10. AMENDMENT OF REGISTRATION RIGHTS. Any provision of this
Agreement may be amended and the observance thereof may be waived (either
generally or in a particular instance and either retroactively or
prospectively), only with the written consent of the Company and Investors who
hold an sixty-seven (67%) percent interest of the Registrable Securities. Any
amendment or waiver effected in accordance with this Section 10 shall be binding
upon each Investor and the Company.

            11. MISCELLANEOUS.

            (a) A person or entity is deemed to be a holder of Registrable
Securities whenever such person or entity owns of record such Registrable
Securities. If the Company receives conflicting instructions, notices or
elections from two or more persons or entities with respect to the same
Registrable Securities, the Company shall act upon the basis of instructions,
notice or election received from the registered owner of such Registrable
Securities.

            (b) Notices required or permitted to be given hereunder shall be
given in the manner contemplated by the Agreement, (i) if to the Company or to
the Initial Investor, to their respective address contemplated by the Agreement,
and (iii) if to any other Investor, at such address as such Investor shall have
provided in writing to the Company, or at such other address as each such party
furnishes by notice given in accordance with this Section 11(b).


                                       12



            (c) Failure of any party to exercise any right or remedy under this
Agreement or otherwise, or delay by a party in exercising such right or remedy,
shall not operate as a waiver thereof.

            (d) This Agreement shall be governed by and interpreted in
accordance with the laws of the State of New York for contracts to be wholly
performed in such state and without giving effect to the principles thereof
regarding the conflict of laws. Each of the parties consents to the jurisdiction
of the federal courts whose districts encompass any part of the City of New York
or the state courts of the State of New York sitting in the City of New York in
connection with any dispute arising under this Agreement and hereby waives, to
the maximum extent permitted by law, any objection, including any objection
based on FORUM NON COVENIENS, to the bringing of any such proceeding in such
jurisdictions. To the extent determined by such court, the Company shall
reimburse the Buyer for any reasonable legal fees and disbursements incurred by
the Buyer in enforcement of or protection of any of its rights under this
Agreement.

            (e) If any provision of this Agreement shall be invalid or
unenforceable in any jurisdiction, such invalidity or unenforceability shall not
affect the validity or enforceability of the remainder of this Agreement or the
validity or enforceability of this Agreement in any other jurisdiction.

            (f) Subject to the requirements of Section 9 hereof, this Agreement
shall inure to the benefit of and be binding upon the successors and assigns of
each of the parties hereto.

            (g) All pronouns and any variations thereof refer to the masculine,
feminine or neuter, singular or plural, as the context may require.

            (h) The headings in this Agreement are for convenience of reference
only and shall not limit or otherwise affect the meaning thereof.

            (i) This Agreement may be executed in one or more counterparts, each
of which shall be deemed an original but all of which shall constitute one and
the same agreement. This Agreement, once executed by a party, may be delivered
to the other party hereto by telephone line facsimile transmission of a copy of
this Agreement bearing the signature of the party so delivering this Agreement.

            (j) This Agreement constitutes the entire agreement among the
parties hereto with respect to the subject matter hereof. There are no
restrictions, promises, warranties or undertakings, other than those set forth
or referred to herein. This Agreement supersedes all prior agreements and
understandings among the parties hereto with respect to the subject matter
hereof. This Agreement may be amended only by an instrument in writing signed by
the party to be charged with enforcement thereof.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]


                                       13



            IN WITNESS WHEREOF, the parties have caused this Agreement to be
duly executed by their respective officers thereunto duly authorized as of the
day and year first above written. COMPANY: SAC TECHNOLOGIES, INC.


                                       By:
                                           -------------------------------------
                                       Name:
                                       Title:


                                       INITIAL INVESTOR:

                                       THE SHAAR FUND LTD.


                                       By:
                                           -------------------------------------
                                       Name:
                                       Title: