No, it's not about a knife, but it is really, really great. Del made our wedding bands and they turned out to be amazing (no surprise there when you really think about it though)! Working with him was a great experience as well, so all I have to say is that if you're thinking about mokume jewelry, this is the guy to go to for it!
Ours are yellow gold, red gold and silver with the twist pattern.
And in a raku pottery salt egg that we used in our unity ceremony; it is now the salt cellar in our kitchen.