A standard truck topper to which the present invention may be attached is generally designated in the Figures by reference numeral 10. The truck topper 10 consists of a front end 12, rear end 14, roof 16, and sidewalls 18. An openable door 20 is generally provided at the rear end 14 of the topper. Such a standard topper is adapted for placement on the bed 24 of a standard pickup truck.