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No need to end it. Leave it up for others to see. Someone might know the answer. Have you looked at it through a small hand held microscope for any possible damage? As for local help try this:
Local...

That's very possible Euclid440 which was why i said earlier for him not to think he has lost his touch & not to give up. He could very well be close & it might be the amount of pressure he's applying...

Don't do that to yourself & think that you have lost your skill! You are better than that. Just looking at the middle pic, it might be the light but it looks like it has a slight frown right where...

I just took a slight frown out of a blade the other day by dragging the blade sideways rather than lengthwise (bread knifing), on a DMT 325 diamond at a 45 degree angle on both sides. It took the...

I agree with you which is why I also mentioned he could bread knife with a finer stone, but myself I would do a sharpie test first, something I have done many times in the past but failed to mention...

You can set it on a flat surface & see if light passes through the middle. If it has a frown, best thing to do is bread knife it then re-hone but you really need something like a coarse grit stone to...