I've been doing some research on this. There isn't a lot of information available. I think I have a project that will warrant making some fancy knurls. So I've decided to start a post that will be a kind of how-to. So if anyone has info on these please share.
Frank Ford has a great website with some super information in it. A page on how he makes a
Rope Knurl is very interesting. I have only made a couple of cutters before so this will be fun!
Stay tuned...