A friend's grandfather showed me how to trim the edge of a piece of leatherwork using a piece of broken glass. Lets you cut a bit slower than a razor blade or x-acto knife, but just as smooth.

Shawn

> I'll probably get blasted for this but here goes nothing. When I was a
> kid, whenever my dad wanted to refinish a rifle stock he would break a jar
> and select a shard that matched the curve fairly well. Now this may sound
> unconventional but I really don't think broken glass is any more dangerous
> than a table saw or a sharp knife blade. You would be amazed at the ease
> with which glass will scrape wood and the smoothness of the finish. I am
> not advocating that you go around smashing bottles, but if you do vacuum
> up the splintery shards and treat it with the respect you would a VERY
> sharp knife and wear heavy gloves. I certainly don't suggest this as a
> primary method but it can help in a pinch.