19 HITCHES AND COUPLERS FOR TRAILERS, BOATS, AND THE LIKE, PARTS AND ACCESSORIES FOR THE HITCHES AND COUPLERS-NAMELY, BALLS, BALL COVERS, BRACKETS, HITCH AND COUPLER ADAPTERS, BUMPER CLAMPS, GRAB BARS, TOWING DEVICES, THIRD WHEEL ATTACHMENTS, AND BOAT TRANSOM TIE DOWNS