| I don't think I've ever seen a single-screw thumbrest...
Have one made out of a wood that either doesn't require a finish (EI rosewood, bloodwood, ebony, cocobolo, pau ferro, etc.) and just leave it unfinished, or finish it in tung oil... less "shiny" looking... you could even shape it with fine sandpaper to make it look "broken in".
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SDB Guitars - Turning exotic woods into sawdust and firewood scraps since 2002...
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