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I'm going to repeat part of what I posted earlier in this thread:
"Shaving sharpness depends on the thickness of the apex of your edge (say .3 micron), the included angle of your edge bevel (say 10...

I think all of this is true, but tends to focus the attention on the bevel faces at the expense of considering how microserration of the apex of the bevels affects the shave. If you take two sharp...

When sharpening on a "flat" abrasive surface we rely on the pressure on the exposed angles of the grit to be adequate to allow the blade steel to be scraped off. As grit size gets smaller the space...

Shaving sharpness depends on the thickness of the apex of your edge (say .3 micron), the included angle of your edge bevel (say 10 degrees), and the rest of the bevel/blade geometry for a distance a...