Charles Bragg (no, dammit, not the painter)
schreef

The only remaining questions is - does African Mahogany have the
same kind of wormholes in it that I read about for the real stuff?
FWW's recent article on Finishing Mahogany showed worm holes just like
the ones in my suspect wood.

+ + +
What wormholes are these? Mahogany should not have any.
PvR