Elimination of hard skin of the soles

Sharpening stone is designed to remove hard skin off of the soles (heels, between fingers) and elbows. After showering and massaging the skin on the soles will be softer, so the removal of the hard skin will be extremely practical and effective. The process is hygienic, as you are promptly flushing dead skin away, as well as abrasive stones are kept clean. Use of the stones is relatively small.