What type/shape of knife for carving insole for Goodyear welt?

Congrats on a big leap forward!

I suppose it’s technically no longer just stropping when you add an abrasive to the leather. Some kind of polishing, I guess. Not that anyone should care in the least. Sharp knives!

I’m glad you’re enjoying that Osborne skiving knife. I bought one and was really looking forward to it, but never developed a knack. I’ve still got it listed for sale here on the forum.