1.Rotating detachable head keeps the blade away from the fingers 2.Four corners are fully protected, both sides are fully covered, and the blade head is fully enclosed, which can better protect the skin from being scratched by the blade 3.Zinc alloy metal structure, exquisite and durable, waterproof and rust proof, comfortable grip 4.The rotating handle is easier to disassemble, easy to rinse, and has no hair residue