Calluses is a agglomeration of the alien band of skin. This agglomeration is accepted medically as hyperkeratosis. Calluses advance as allotment of the skin's accustomed aegis adjoin abiding rubbing, burden and added forms of bounded irritation.

Solution:
Always use a brush stone. Razors and added cutters are now actionable for pedicurists to use. Avoid cutting high-heel shoes. For added on Calluses Management, bang here