Every thing that has grit will leave teeth. The smaller the teeth the more delicate they are. The more refined an edge the more delicate it will be.
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Do you use a strop before shaving, sorry if I sound patronising, not meant to be, but you don't say that you do?
I would dull the edge very slightly on the side of a glass. Do 50 circles 20 laps 20 x strokes, as many sets to get the blade sharp heel to toe. You might ne doing this a while. Then 20 circles 20 laps 20 x strokes on the 8k. You should be good after that. Make sure the entire edge catches the top of the thumbnail on the 4k. It may sound a little drastic but thats what I would do. If you have a 1k you could use that.
Just want to clarify here...
What you guys are saying as I understand it,,, is that an 8k (or equivalent) edge will outlast a 12k + (or equivalent) edge ????? or say a J-nat or Gokumyo 20k or a Shapton 30k
Apologies to the OP, but this I gotta hear
Prep and proper shaving angles keep edges lasting longer
Stropping comes in two stages when learning
Stage 1 = Do no harm, you are just trying to not destroy the edge
Stage 2 = Edge improvement, where you actually learn to strop the edge into a better state than when you start,
It takes quite a bit of practice to move from stage 1 to stage 2
[QUOTE=gssixgun;1179957]Just want to clarify here...
What you guys are saying as I understand it,,, is that an 8k (or equivalent) edge will outlast a 12k + (or equivalent) edge ????? say a J-nat or Gokuyama 20k or a Shapton 30k
I think that what is being said is:
A finer edge will by definition be more delicate, and will therefore loose its comparative sharpness quicker, though I would have thought it would get down to the 8 k equivalent sharpness after the blade sharpened to 8 k was no longer 8k.
How long does a 30k edge really last? As soon as hair touches it it will presumably start deteriorating, where is the point of diminishing returns. I am not by a long shot a sharpenist this is just my take on the logic being used
[QUOTE=edhewitt;1179958]Simplify...
Razor honed to Med high grit lasts X shaves
Razor honed to Higher grit lasts Y shaves
Theories and Logic are fun for discussions, But would rather hear the facts on this one..
Note that I am not even tossing in the Comfort issue on this, just talking pure "durability" and "longevity" of the edge