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The difference is only Minor Rob..I have noticed a difference though depending on the Coating..The Krona Blade that he is talking about has an Unusual Teflon Coating & a So Called Krona Edge & it sure does make a Difference with them..I'm not sure if I fully understand the issue here, but if the question is aimed at - should the bevel only be applied from a specific side - I would say it makes no difference. If the bevel on these blades is asymmetrical, the differences in angle from one side to the other will be minor and easily compensated by a slight change in the razor angle used.
A similar argument exists around Japanese Kamisori razors - you can use both sides with no problem and I've yet to hear anyone say they can tell the difference.
You are correct Andreas ..I can see that with the naked eye..I have found the same as you..I have also done this to myself that's how I know..Whether that applies to them all with various coatings I cant be certain but I never take the chance.I have had another look under a microscope at the edge of the blade and have come to two conclusions:
As Billy said, there may be a difference in coating, but I'm not going to do a blind test.
- The blade edge is perfectly symmetrical when viewed from the side.
- If you are not looking straight onto the edge of the blade, you get the effects seen in the photo I posted earlier. Sorry.
With my naked eyes I have trouble seeing which edge is the sharp oneYou are correct Andreas ..I can see that with the naked eye..I have found the same as you..I have also done this to myself that's how I know..Whether that applies to them all with various coatings I cant be certain but I never take the chance.
Billy
So in conclusion, Paul - the answer is, that after careful deliberation we have concluded, that your question is not daft at all, but one that kept us pondering for days.
"Danger is engaging the bison or risk inflammation".I do really wish some of you guys were hired as consultants to the producers of many technical instruction manuals. I can genuinely grasp what you're saying, which is always good.
JohnnyO. o/