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Cutting hair off your arm tells you a lot, if you know what to look for. I do it by hovering the razor high in the hair tips, and look for the ease of the edge catching the hairs, and the pulling...

Alan, check the SEM pics in the link I posted, they are at 3000x magnification.

Nenad

edit:
also take a look at Durfee's micro galery here:...

http://straightrazorpalace.com/showpost.php?p=30187&postcount=21

nice post by it's self:
http://straightrazorpalace.com/showthread.php?t=5343

Nenad