An electric foot file is a device used to remove calluses and dead skin from the feet. It usually has an adjustable speed feature that allows the user to control the pressure level and speed of the file. The device is often used by professionals in the pedicure and foot care industry, but can also be used at home for personal foot care. It is simple and convenient to use the electric foot grinding file. First, you need to clean your feet and dry them thoroughly. Then, turn on the device and adjust the speed to your desired level. Gently move the file over areas of callused or rough skin, applying light pressure as needed. It is important to avoid applying too much pressure as this can damage the skin. After using an electric foot file, rinse your feet with warm water and dry them with a clean towel. You can then apply moisturizer to your feet to keep them soft and smooth. An electric foot file is a useful tool for those who want to maintain healthy and attractive feet. It is important to follow the instructions carefully and use the device with caution to avoid any injury or skin damage.