Using high tear-resistant materials, the product is made of high tear-resistant silicone, which can be attached to the curvature of the gear head, with good elasticity, softness and durability, flexible and elastic, Comfortable and soft. Silicone material, washable and reusable. The internal polishing treatment is installed more closely to the gear position and is not easy to shift. Meticulous workmanship, the surface feels skin-friendly. Anti-slip treatment, anti-slip skin texture, no fear of hand sweat, delicate and comfortable.