How I remove knots

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Many ways to do it,this works for me,I do quite a few reknots for members,sometimes you have to drill them out.
This works 90% of the time.
Wrap the knot with about 6 winds of Electrical tape,smash it in a vice,work it back and forth, rotate 180 degs, do the same.
The epoxy will break loose (sometimes) clean the rest of the bore out with a Dremel and sanding drum.