Style is a rectangular sized cartridge handle. Cartridge is made with metal or plastic strips, some iron parts coating the ends of the strips with a small hook is stuck.
A rectangular cartridge, hold my hand. The cartridges are made of plastic or metal. The bar is made of thin steel coating. The tip of the hook with a small stick.
A rectangle box size as the hand. The cartridge made of metal or plastic. The temple bar of iron thin coating. The tip of the temple bar is a small hook stuck.