SUGRU is a curable rubber I've used on many such things. https://sugru.com/ On Mon, Apr 4, 2016 at 1:26 AM, Sheltraw <macaroni9999@xxxxxxxxx> wrote: > concave button causes discomfort in my finger Robert Hale Serious Honkage in Arizona youtube.com/DUKEofWAIL DUKEofWAIL.com