My Sharpening and knife related videos

[grepper]

Here are two microscope images I took of edges I sharpened.  Obviously the top edge is highly polished and the lower edge is toothy.

   

Let's consider how these two edges might perform in Brian's newspaper tube test.  It doesn't take much imagination to think of how the polished edge might slide on the surface of the newspaper tube while the toothy edge could grab the surface and cut.

Brian's video empirically demonstrates this hypothesis.