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That guy could very well be me...:)
I'm not a big fan of the sandpaper. It has a tendency making a little wave in front of the razor. If this happens, even a nearly invisible bit, your edge will...

Robert,

Possible, but unlikely.

You should first tell us about your hones, and how you use them.
The problem is often in the method, sometimes in the blades grind, extremely rare in the steel...