White on Brown kolrosing
I tried an experiment with cosmetic-grade Titanium Dioxide on walnut, and it wasn't super-impressive. My thoughts were that I will definitely need to fill the grain in the walnut first if I'm going to retry that. And TiO2 is soluble in linseed oil, so sealing it into the wood with that isn't especially good. Shellac might work better. Or CA glue.
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