Wrestling cowhide, also known as bull skin, refers to the surface of the leather after the fall pattern shows a uniform pattern of litchi pattern, the thicker the thickness of the leather, the greater the pattern, also known as wrestling leather. It is used to make clothes, shoes and bags. Tattoo: one of the methods of making fingerprints, natural texture, without mechanical embossing. Skins: soft bovine leather, especially calf leather, used by plant tanning or chrome tanned, usually processed on its grain surface, which is widely used in Italy, Britain, and Spain. The leather is softer, more comfortable and delicate, looks more beautiful, is widely used in bags and clothes, and is a very good cowhide.