Thread: Fin: fact or fiction?

Originally Posted by dylandog

That it isn't abrasive enough to remove material would seem to be evidenced by the fact that no plain strop, no matter how old or how much it's been used, is darkened by steel particles the way pasted strops are. At least no plain strop I've ever laid eyes on.

I've always been under the impression that when you rub two things together they will both lose material. How much, is proportional to the relative difference in hardness.