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FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Additional Information
Exhibit 99 - Additional Information

     CompX Group, Inc. ("CGI"),  TIMET Finance Management  Company ("TFMC"),  NL
Industries, Inc. ("NL"), Harold C. Simmons and his spouse are the direct holders
of 48.9%, 9.1%, 7.2%, 1.3% and 0.4%  respectively,  of the outstanding shares of
class A common stock, par value $0.01 per share (the "Class A Common Stock"), of
the issuer.

     CGI holds 100%, or 10,000,000 shares, of the issuer's Class B Common Stock,
par value $0.01 per share (the "Class B Common Stock", and collectively with the
Class A Common  Stock,  the "Common  Stock").  The  description  of the relative
rights of the Common Stock  contained in the issuer's  restated  certificate  of
incorporation is hereby  incorporated  herein by reference to Exhibit 3.1 of the
issuers Registration Statement on Form S-1 (File No. 333-42643).  As a result of
its  ownership  of all  of  the  Class  B  Common  Stock,  CGI  currently  holds
approximately  82.3% of the  combined  voting  power  (97.4% for the election of
directors) of all classes of voting stock of the issuer.

     Titanium Metals  Corporation  ("TIMET") is the direct holder of 100% of the
outstanding  common stock of TFMC.  Valhi Holding  Company  ("VHC"),  Annette C.
Simmons,  The Combined Master Retirement Trust (the "CMRT"),  Harold C. Simmons,
NL Industries,  Inc. ("NL"),  NL Environmental  Management  Services,  Inc. ("NL
EMS"), the Harold Simmons Foundation (the "Foundation"), the Contran Amended and
Restated Deferred Compensation Trust (the "CDCT"), Valhi, Inc. ("Valhi") and The
Annette  Simmons  Grandchildren's  Trust (the  "Grandchildren's  Trust") are the
holders of approximately  30.9%, 11.5%, 9.5%, 3.1%, 1.0%, 0.3%, 0.3%, 0.1%, less
than 0.1% and less than 0.1%,  respectively,  of the outstanding shares of TIMET
common stock. The ownership of Ms. Simmons includes  20,824,200  shares of TIMET
common stock that she has the right to acquire upon exercise of 1,561,815 shares
of TIMET's 6 3/4%  Series A  Convertible  Preferred  Stock,  par value $0.01 per
share (the "Series A Preferred  Stock"),  that she directly owns. The percentage
ownership of TIMET common stock held by Ms. Simmons  assumes the full conversion
of only the shares of Series A Preferred Stock owned by her.

     NL and TFMC are the direct holders of 82.4% and 17.6%, respectively, of the
outstanding  common stock of CGI. Valhi and TFMC are the direct holders of 83.1%
and 0.5%, respectively, of the outstanding common stock of NL.

     VHC, the Foundation, the CDCT and the CMRT are the direct holders of 92.2%,
0.9%, 0.4% and 0.1%,  respectively,  of the common stock of Valhi.  Valhi Group,
Inc.  ("VGI"),  National City Lines, Inc.  ("National") and Contran  Corporation
("Contran") are the direct holders of 87.4%,  10.3% and 2.3%,  respectively,  of
the  outstanding  common stock of VHC.  National,  NOA,  Inc.  ("NOA") and Dixie
Holding Company ("Dixie Holding") are the direct holders of approximately 73.3%,
11.4% and 15.3%,  respectively,  of the outstanding common stock of VGI. Contran
and NOA are the direct holders of approximately  85.7% and 14.3%,  respectively,
of the  outstanding  common stock of National.  Contran and Southwest  Louisiana
Land Company,  Inc.  ("Southwest") are the direct holders of approximately 49.9%
and 50.1%,  respectively,  of the  outstanding  common stock of NOA.  Dixie Rice
Agricultural  Corporation,  Inc.  ("Dixie Rice") is the direct holder of 100% of
the outstanding common stock of Dixie Holding.  Contran is the holder of 100% of
the  outstanding  common  stock of Dixie  Rice.  Contran  is also the  holder of
approximately 96.3% of the outstanding common stock of Southwest.

     Substantially all of Contran's  outstanding  voting stock is held by trusts
established for the benefit of certain  children and  grandchildren of Harold C.
Simmons (the "Trusts"),  of which Mr. Simmons is the sole trustee, or is held by
Mr. Simmons or persons or other entities related to Mr. Simmons. As sole trustee
of the Trusts,  Mr. Simmons has the power to vote and direct the  disposition of
the shares of Contran stock held by the Trusts. Mr. Simmons, however,  disclaims
beneficial ownership of any shares of Contran stock that the Trusts hold.

     The Foundation  directly holds approximately 0.3% of the outstanding shares
of TIMET common stock and 0.9% of the outstanding  shares of Valhi common stock.
The Foundation is a tax-exempt  foundation  organized for  charitable  purposes.
Harold C. Simmons is the chairman of the board of the Foundation.

     The CDCT directly holds  approximately  0.1% of the  outstanding  shares of
TIMET common stock and 0.4% of the  outstanding  Valhi common  stock.  U.S. Bank
National  Association serves as the trustee of the CDCT Contran  established the
CDCT as an irrevocable rabbi trust to assist Contran in meeting certain deferred
compensation  obligations that it owes to Harold C. Simmons.  If the CDCT assets
are  insufficient to satisfy such  obligations,  Contran is obligated to satisfy
the balance of such  obligations as they come due.  Pursuant to the terms of the
CDCT,  Contran (i) retains  the power to vote the shares of Valhi  common  stock
held directly by the CDCT, (ii) retains  dispositive  power over such shares and
(iii) may be deemed the indirect beneficial owner of such shares.

     The CMRT directly holds  approximately  9.5% of the  outstanding  shares of
TIMET common  stock and 0.1% of the  outstanding  shares of Valhi common  stock.
Contran  sponsors the CMRT,  which permits the  collective  investment by master
trusts that  maintain the assets of certain  employee  benefit plans Contran and
related  companies  adopt.  Mr.  Simmons  is the sole  trustee of the CMRT and a
member  of the  trust  investment  committee  for the  CMRT.  Mr.  Simmons  is a
participant in one or more of the employee benefit plans that invest through the
CMRT.

     NL and a  subsidiary  of NL directly  own  3,522,967  shares and  1,186,200
shares,  respectively,  of Valhi common stock. As already  discussed,  Valhi and
TFMC are the direct holders of approximately  83.1% and 0.5%,  respectively,  of
the  outstanding  common stock of NL. Pursuant to Delaware law, Valhi treats the
shares of Valhi  common stock that NL and the  subsidiary  of NL own as treasury
stock for voting purposes and for the purposes of this statement such shares are
not deemed outstanding.

     Mr. Harold C. Simmons is chairman of the board of CGI, Tremont, Valhi, VHC,
VGI, National, NOA, Dixie Holding, Dixie Rice, Southwest,  TIMET and Contran and
chairman of the board and chief executive officer of NL.

     By virtue of the  holding  of the  offices,  the  stock  ownership  and his
service as trustee,  all as described  above,  (a) Mr.  Simmons may be deemed to
control the  entities  described  above and (b) Mr.  Simmons and certain of such
entities may be deemed to possess indirect beneficial ownership of the shares of
Class A or  Class B Common  Stock  that are  directly  held by CGI,  TFMC or NL.
However,  Mr. Simmons disclaims such beneficial ownership of the shares of Class
A or Class B Common Stock beneficially owned, directly or indirectly,  by any of
such entities.

     Harold C.  Simmons'  spouse is the direct owner of 20,000 shares of Class A
Common Stock, 263,675 shares of TIMET common  stock,  1,561,815  shares of TIMET
Series A Preferred Stock, 269,775 shares of NL common stock and 43,400 shares of
Valhi  common  stock.  Mr.  Simmons may be deemed to share  indirect  beneficial
ownership of such securities.  Mr. Simmons disclaims beneficial ownership of all
securities that his spouse holds directly.

     Mr.  Harold C.  Simmons  is the  direct  owner of 66,900  shares of Class A
Common  Stock,  5,057,974  shares of TIMET common  stock,  555,300  shares of NL
common stock and 3,383 shares of Valhi common stock.

     A trust,  of which  Harold C.  Simmons and his spouse are  trustees and the
beneficiaries  are the  grandchildren  of his  spouse,  is the direct  holder of
36,500 shares of the common stock of Valhi and 17,432 shares of the common stock
of TIMET.  Mr. Simmons,  as co-trustee of this trust,  has the power to vote and
direct the disposition of the shares of Valhi common stock the trust holds.  Mr.
Simmons disclaims  beneficial  ownership of any shares of Valhi common stock and
TIMET common stock that this trust holds.