So after a broken thumb I need to find some of that therapy putty so I can rehab this bad boy. This was an easy one, amazon has a ton of the stuff for cheap. I like ordering from amazon just because I know I am going to get my stuff.
Cando Theraputty Resistive Exercise Putty – Set of 6 resistances – 3 oz. by Cando
You search for that on amazon and order and you are golden.