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I bought my Chinese 12k to sharpen razors, :D not smooth out scratch patterns on hones, so it was free for me!
I probably wouldn't buy one just for that purpose, though.

I can say I tried this 5 min ago, using the Chinese 12k on a Belgian Blue and a Shapton 16k.
Results? It worked really well! The Ch12k wasn't even touched, I don't think it lost a single particle,...