Ceramic is another material I usually do ok with. The bottom of a coffee mug has put me back in business a time or 2.
I have used 1 of those flat steel doohickeys before and did alright, but my ultimate goal is to get a knife so sharp it can separate atoms

that's part of being a grown up with ADD, I don't concentrate real well but when I do, I've got a kung fu death grip focus..... Oh look a bird
