Search:

Not on the equipment or technique but using a miniature version of the woodblocks used for straightening katana would be a start.

Just a late heads up which may be useful for others in future.
I've since found that Nihon kamisori, if warped, can be straightened by careful bending due to their their laminated construction &...

You may not need to remove much steel if the problem is at finish stage.
If you are confident you are close just run thru a predetermined amount of finishing strokes & retest, if necessary 2 or 3...

Hard to know from pics but usually they have very hard steel. You may need to hone a little more or maybe the bevel is not perfect yet.

If you successfully hollow the front & it's not warped you won't need tape. As a rule it's never used on these anyway.
One thing you could try is single finger pressure where there is no contact at...

G, the Ura (back or stamped side) is always finished with long ways scratches but someone has already tried restoring the front (omote) so the original spine to edge marks are gone. Good eye. I...

Actually the omote side non stamped is usually iron & very soft.

I really hope the razor was not new as it now has really excessive hone wear like a well worn vintage. Way too much pressure...