Quote Originally Posted by Sticky View Post
One way to "calibrate" your TPT "feel" is the way I use when teaching someone to hone knives.

Take a DE blade and do one shave with only one side of it. Remove the blade. Even a brand new honer should be able to feel the difference in the two sides; using the TPT. Even though both sides are usually still sharp enough for a shave, the difference is very noticeable.

The TPT can detect even minor variations in an edge, with a little practice.
What a great idea to calibrate your TPT. The only problem I see is using the DE I wonder if there might be another way to slightly dull one side of a DE blade without having to touch my face with it