Theories of Sharpening

Angle Change on Guided Sharpeners

There is always discussion/debate about "angle change" with guided sharpeners.

Clay has written a page on how the angle changes (or doesn't) as you sharpen:

   Does the angle change along the length of longer blades on the Wicked Edge

Anthony Yan (Lagrangian) has written an excellent post detailing this:

    Dihedral Angles in Knife Sharpening