Some of my brushes are quite old with short bristles, a testament to their age. These short-bristled brushes are very handy for reaching into tight spaces, so I try to take good care of them.
If your wire brushes are a little "ratty", try this nifty little trick to bring them back into shape.
Step 1: What You'll Need:
A ratty wire brush. (The one I'm using wasn't this abused, but I wrecked it for demonstration purposes.)
A bench grinder with a wire wheel.