Originally Posted by CV-6

The wire brush on the drill yielded the little sticky blobs I mentioned in the original post, so that does not work. Maybe if the residue were old and dried out, it might work. But I just removed the tires/tape in the last month. I guess if the residue is that tough, I may be worried about nothing. Might try the old spoon trick if I can find a spoon the boss will let me sacrifice. More when I have it. BTW, I know how you know about the T-shirt. Been there, done that, got the remains of the T-shirt.