Anti-skid chains for vehicle tires; Anti-theft locks for use on automobile steering wheels; Bicycle parts, namely, sprockets; Chainwheels for bicycles; Chainwheels for motorcycles; Motorcycle sprockets; Rear wheel sprockets; Security devices in the nature of metal or steel plates for automotive aftermarket car and truck applications that are affixed to the vehicle to reinforce or strengthen door handles, latches and locks or lock cylinders; Steering wheel locks; Wheel sprockets