I have. By malposition of feet constantly stubborn and disturbing the cornea under the heels Conventional "Hornhautraspler" from the drugstore managed not help, because they are too weak and it takes an immense pressure to anything to get shut down by the heels. And they are not thorough enough! This has annoyed me so I was looking for a elektischen Callus. And I am delighted that I have found the pedicure of Beuer :-). Perfect! The unit removes easily and quickly annoying calluses on the feet, without much pressure and without sress. The result is perfect! Selbt strong cornea creates the device effortlessly. It fits comfortably in your hand, is not too loud and after prolonged use, not hot. I am very satisfied and can only recommend the device only.