Anti-skid chains for vehicles; Anti-theft alarms for vehicles; Anti-theft devices for vehicles; Automobile windshield sunshades; Brakes for vehicles; Direction signals for automobiles; Luggage nets for vehicles; Metal locking device for trailer hitch couplers; Seat belts for use in vehicles; Shock absorbing springs for vehicles; Sun-blinds adapted for automobiles; Trailer couplings; Trailer hitch covers; Trailer hitches for vehicles; Upholstery for vehicles