It is so powerful that not too much pressure required. Just slide over the feet gently and the callus will be removed effectively. Coarse and Fine roller heads provided for the rough and delicate grooming. Roller heads are made of long-lasting micro-abrasive particles for durable use.
* This callus remover is specially designed for the callused feet or heel. Please do not use it on other parts of the body.
* Do not turn on the device if the roller has not been placed properly.