Quote Originally Posted by benjiboy View Post
The traditional thing to keep leather bellows soft is bees wax, very few camera/lens cases are actually real leather mostly some sort of faux or reconstituted leather or compressed material with leather look surface .
Adding to Ben's comments it's usually the tread that's used for the stitching that goes first, also the strap. I've a few to repair this Autumn/Winter and havebought the tools.

Ian