The product has several grinding heads, and those heads can replace conveniently. Using for the patients having the dieases of corn, caus, dead-skin, thick-skin, and crack horniness, and also has the functions of massaging body and manicure.Functions of the Product :1.Pedicure (used for the patients having corn, caus, dead-skin, thick-skin and crack horniness)2.Massage. It can massage not only the foot , but also other joints ofthe body, improving the blood circulation. So it can relieve the painon the neck , shoulder , waist and legs .3.Manicure ( nail care, nail polish and trimming nail)