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Not really

It takes a steady hand there really are no tips for it just "Mo Practice"
BUT
It isn't that critical anyway since you are using it to eliminate problems more than to set a real...

I would start on the 1k at 20° maybe 40° and see what happens before you go any lower in grit

You can always go lower :D

Here is how it is done

Make sure you read carefully that the angle used it DEPENDANT on the damage on the edge don't just start at 90° because it is faster
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