I'm not sure this is really realted, but I've had three tools bend on me as I'm using them. Right up front, I've had it happen using the poly as well as the rawhide mallets, and I am casing the leather. I've had a stopper, a cam, and a beveler all do it (all Tandy products). The store was great about swapping out the first one, but I've had the other two happen over t past week....not so sure they are going to be so happy about it this time. Not sure if it's something I'm doing or bad batch of tools. Any one else ever have something like this happen? ideas?