My only misgiving on the birch dowels is that they might be a little soft in the long run if the instrument is played hard and they might scallop a little bit. Easy enough to replace though. I do like the idea of wood markers though. Below pictures of my disappointing abalone markers.
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Looks good from the audience point of view, but from the players point of view looks like this:
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As somebody that actually plays these things, I wanna see where I'm going and the abalone doesn't cut it. Maybe if they were bigger...