Quote Originally Posted by Bladerunner View Post
Your razor healed itself. The edge of a razor should actually be viewed as a series of tiny little teeth. These teeth are pushed away from alignment when you shave producing a blade that feels like it is beginning to dull. However, after a period of a day or two they actually realign themselves and the blade feels like it sharpened itself because...it actually has!

Each shave pushes the teeth farther apart until eventually the blade is no longer able to properly realign itself. That is when a properly applied strop pushes the teeth back into alignment, and presto chango the blade is sharp again.
I'm not sure I agree with this... Is it really true?
What forces are acting on the razor that cause this to happen?
I think Robert Williams has even shown (or at least explained why) that "teeth" on a razor are a bit of a fallacy.
I'll go see if I can find that particular thread.