I have not cut in three months but often want to, it helps me release my pain in a creative way. My therapist told me to start off with snapping rubberbands on my wrist or in your case ankles. This has helped me very much, I sometimes snap them to the point where I make marks on my arms that last for a day or two but it's better than permanent scars. Once I find out more ways to prevent cutting I shall come here and post them, for you because I hate to see people in danger. Good luck and don't fluck it up.