It's a no pressure situation.
Barefoot Scientist's The Gratest is a professional-grade rasp designed specifically for your feet. Constructed of premium, expertly-crafted stainless steel and designed with more than 200 safety-edged micro grates, an extra-large filing surface and an ergonomic soft-touch handle, this rasp helps you efficiently and safely remove built-up layers of dry, hardened, thick or callused skin. Because nothing in life should be hard. Including your feet.