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I have used a lot of new belts on this knife :/
If I have the dark marks on a 120 grit and I move to a 220 it will remove them and look good. If I hit it again with the 220 trying to get one last scratch out, they start coming back. It seems only the first 5 seconds of a brand new belt will get rid of them. Why is this and any idea what they are?
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