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Now, my experience is limited to one Kanenaga Kamisori, but I've found that though it shaves nicely, it doesn't feel as sharp as my other straight razors. By feel, I mean, on my thumbs and fingers. ...

http://strazors.com/uploads/images/articles/Honing_Razors_and_Nihonkamisori.pdf

I have found this guide helpful, in addition to all of the guidance found in this forum.

Cheers,

Jack