Car-top luggage carriers; Hooks specially designed for use in vehicles to hold vehicle accessories; Metal locking device for trailer hitch couplers; Recreational vehicle parts, namely, locking mechanisms for attaching accessories to recreational vehicles; Roof racks; Steps for attachment to land vehicles; Steps for attachment to trailer hitches; Trailer hitch covers; Trailer hitches; Trailer hitches for vehicles; Tug boats; Utility hitch trailers designed for use in hauling lumber, towing