U-shape curve design is an ergonomics design that fits the bottom of feet and heels perfectly, giving you a comfortable experience of removing foot calluses. A working surface is a larger touch surface that can work on a larger surface at one time, giving you delicate skin, high efficiency, and saving your time. The handle is made of high-quality PP material, durable, and easy to hold. A rope is attached to the end of the handle, easy to store and space-saving. Especially for high-heel addicts,