The Nakosite Golden Lady Electronic Foot-File is the best callus and hard/dead skin remover that you can enjoy in the comfort of your own home. It guarantees a quicker and more effective pedicure than you would get at a salon! No Calling for Appointments, No waiting time sitting at the salon, and all those expensive payments. Try it today, YOU will love it! The Nakosite Golden Lady Electronic Foot-File is designed to remove hard skin for smooth results after just one use. It buffs away hard skin in minutes, leaving you with smooth feet you'll want to show off. It Is Designed For Incredible Results Using Only Gentle Pressure. Do not apply too much pressure, as the roller will stop. Use Gentle Pressure rotating (back and forth or side to side) over the callous/corn/hard skin area for a few seconds. Stop and check frequently to see if you've achieved the softness you desire. If not, redo and check again. Continue to use this method until the level of smoothness is obtained. Happy Feet! NOTE: Over-use may cause bleeding or injury. Not recommended for diabetics.