Quote Originally Posted by jeness View Post
Thanks for the link, I already saw that thread. I was thinking about making one of these myself. Only the very edge of the omote is high carbon steel right? So I could file away the soft steel, and make it hollow again.

I found this article about it, it looks promising:
Eastern Smooth: Kamisori
technically yes that is what should happen, but I am not sure if it is easy thing to do.