I have tried so many thimbles I have lost track. The only one I really like is the plastic adjustable one (here is a pic
http://www.amazon.com/Collins-C87-Pl.../dp/B000YQIXWC ) You can get them at WM or Joannes. I even got a few at a Tuesday morning a while back. I use it on my middle finger. My next favorite is the leather one. I got a large for my thumb for quilting bottom to top.