With the Medisana CR 860 you can remove excess calluses in a comfortable way. It works easily; you switch on the callus remover and the grinding roll starts spinning quickly. keep him from holding you to remove calluses in a cautious way. This callus remover has 2 positions. Depending on the amount of callus you choose the matching speed. The callus remover also has 2 different grinding rolls: 1 with a fine grit and 1 with a coarse. If you have a lot of calluses on your soles, you choose the coarse grinding roller. For example, the fine grinding roller meets your elbows.