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Yes there are some, check out https://www.aframestokyo.com/razors.html they had some in the past

With traditional honing (7:1) they do work best using ONLY the Backside (Hump) touching the face, however the varied ratio honing makes it easier to use it wrongsided
7:1 - 5:1 -3:1 - 1:1

I...

You are lifting/dropping the handle as you are ending your stropping stroke, it is very noticeable (Scratches) when stropping a Kamisori
Many people do it when stropping in general, but the size of...