For use with the Ever Ready Corn and Callous Knife.
Hold the Corn and Callous Knife with the blade holder curving away from you. Keeping thumb and fingers away from the blade's edge and with the blade's edge facing right, carefully insert the point of the blade into the tip of the knife. Then flex the blade and push the lower end to the left of the retaining hook. Only use in Ever Ready Corn and Callous Knife.
Diabetics and people with poor circulation should consult their Doctor or Chiropodist before using this product.