I have a couple of Japanese waterstones (4000 and 8000 grit 2x4"). I got the el-cheapo ebay special razor up to the point where it gives me a good shave but still gets a bit snagged on tougher/denser hair. The PDF outlining the Pyramid says it's only for Norton stones and not for Japanese stones. Does anyone have an idea on how to modify the Pyramid to give me a proper edge?