Sounds like a good plan
Is there a Special Reason, which you want to make the nails completely black?Bolts.
Bamboo soaked in black ink, not successful, the ink did not pull in completely, white on the inside.
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Graphite powder mixed with wood glue.
Two thicknesses 5mm and 8mm, with and without poly on.
What do you think, some opinions / suggestions ?.
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