cangshan 61741 6-piece knife edge guard set, black cangshan the cangshan edge guard set is the perfect choice for people who store their cutlery in a kitchen drawer. our signature edge guards keep blades in top condition and protect your hands from sharp edges. not only are these edge guards the ideal solution for knives not stored in a block, but also they are perfect for transporting knives to parties, picnics or vacation homes.