What's the secret? I have a Whall clipper to do the Schnauzers and the
blades are about $20 new so, I figured I could surface grind them. I jigged
them up and took about .010" off top mating surfaces and I thought I did a
good job but they don't cut at all and I can't see why not. The look like
they should! Am I missing something? Are they magic?