Flattening western Blades with japanes Technic *LINK*
Rolf Schmid
>Sharpening an old blade lined up, at first sight it looked completely well, but when I wanted to flatten the mirror side, I had to state that this was very uneven.
After one hour with diamond stones, waterstones and sandpaper, I gave up then. The mirror surface had not reached yet the cutting edge.
On the next day I had the idea to try the japanese flattening technic as I did with the Japanese irons before:
The story (Google English!!)