Thanks for you input thusfar. I like the experiment and I do (think I) notice the difference between an HHT positive and an HHT negative edge, but that could be a placebo effect.

Quote Originally Posted by hi_bud_gl View Post
can you make this razor pass HHT answer is yes but should you? i don't think so. if you do so you will end up very fragile edge which will shave half of your face for next half you will end up stropping.
hope this helps.
I never had this problem, I can keep the edge HHT positive for about 5-10 shaves.



Quote Originally Posted by JimmyHAD View Post
Interesting about going down in grit to the Tam. I wonder if the coarser Tam, not coarse but coarser than the Escher, is not removing a bit of a wire edge ?
I think so too.