Horizontally extendible guard for restricting access to a rack of goods

A guard for securing a rack of goods which comprises:

• an access-restricting left vertical side member to which is mounted an engageable track means for engaging;
• an access-restricting right vertical side member to which is mounted an engageable track means for engaging;
• an access-restricting front member at least partially disposed between or upon, and attachable to, said side members;
• an access-restricting rear member at least partially disposed between or upon, and attachable to, said side members;
• an access-restricting upper member at least partially disposed between or upon, and attachable to, said side members;
• a left extensible member comprising a track means for engaging which is engageable with the track means for engaging of said left vertical side member to permit sliding, in a substantially vertical direction, said left extensible member from a retracted storage position to an extended use position;
• a right extensible member comprising a track means for engaging which is engageable with the track means for engaging of said right vertical side member to permit sliding, in a substantially vertical direction, said right extensible member from a retracted storage position to an extended use position;
• a bottom member having a left end securable to the lower end of said left extensible member, and a right end securable to the lower end of said right extensible member and further wherein said front member, said rear member, said upper member and said bottom member are horizontally expandable.