Ideally,toenails should be cut when wet to prevent cracking and breaking.Place clipper along toenail edge,being careful not to cut nail shorter than tip of toe for maximum safety and comfort.Nails should always be cut straight across to help prevent painful ingrown toenails.Ideally,nails should bu cut when wet for smoother edges and best results.Nails should be cut into an oval shape and should extend slightly beyond fingertip to protect this sensivite area.This clipper is for fingernails only.