Usage:Wash your hands orSoak the footAfter three minutes, rub the ground with a grinding stone.callusesPlace. A grinding stone can be used for 3-6 months. With a little time and a very light force, it is possible to grind the hard, callous parts of the heel, foot, and big toe with a circular motion. This step should be done once a week, otherwise.The skinThe mechanical action of this mill will be regarded as an external force invasion, and a thicker skin will be developed against it.2

Cleaning after use:You can use your shoes when you are wet.brushBrush, also can rinse with water. Basically can clear clean. Also can be in dry after use compressed air, blow clean is ok.

Other functions:Take a piece of light stone, like water.sweaterSlide over and you can get rid of an ugly one.The bulb