Scissors are double-edged tools for cutting sheet or linear objects such as cloth, paper, steel plate, rope and round steel.In China, due to the development of textile industry, scissors, scissors industry has been distinguished.Such as cut if the knife, said scissors, its shape like an iron column fold, tip on the knife blade, commonly used needlework, now affected by foreign culture, said u shape scissors.The blade is used as scissors to cut the woven cloth.Now some place says nail clipper is scissors, be because of its if cut knife.Design knife shell scissors when not in use with the knife shell seal to avoid injury.