I scored a Made Rite 34 nylon bristle brush today at an antique store. I saw it last time I was in there and didn't get it. It's been bugging me ever since. I stopped in today, and it was still there, so I grabbed it. The post's about similar brushes pushed me over the edge.... I'll give the nylon a shot or two before deciding if I want to re knot it or not. Here are the picture's of it in the condition I got it. You can see the bubble in the base. I'm guessing it was a mfg. defect, since it isn't damaged on the bottom.