Knife-edge cloth (or knife-edge cloth) is a kind of cloth, which is usually used to make the edge or decoration of clothing. Knife-edge clothing is characterized by sharp knives, which can cut other fabrics or materials like knives. Knives are usually made of high-density fabrics, such as nylon or polyester fiber, to ensure the sharpness and durability of the knife edge. Knife-edge cloth can be used for various designs and decorative effects in clothing production. For example, the edge of a knife-edge garment can be sewn on other fabrics to increase the visual effect and texture of the garment. In addition, oral knife can also be used as decorations, such as belts, necklines, cuffs and so on.