Doug, that is an excellent gadget, I am fascinated and may be able to spend more time putting off critical WW cuts by making one.
Last night, though, I was reading Chapter one of Leonard Lee's great book (we all know it) "Sharpening".......where the Wilkinson Sword razor blade's sharpness is outdone (photomicrographically) by a chisel honed on 6K grit, IIRC.
How about that?