Anti-skid chains for vehicles; Automobile tires; Cargo trailers; Couplings for land vehicles; Engine mounts for land vehicles; Gear boxes for land vehicles; Hooks specially designed for use in vehicles to hold vehicle accessories; Metal locking device for trailer hitch couplers; Motor homes; Shock absorbers for automobiles; Trailer hitch ball covers; Trailer hitch covers; Trailer hitches; Trailer hitches for vehicles; Vehicle parts, namely, ball joints