The finish on Japanese fish slicing knives

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cotedupy

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As I understand it these knives are generally designed, whether single or double-bevelled, to be thin and sharp and short (in terms of height rather than length), to absolutely minimise friction when slicing as cleanly as possible through flesh. And yet still I often see them with KU finishes. Is that not rather counter-productive? Or am I missing something?
 
As I understand it these knives are generally designed, whether single or double-bevelled, to be thin and sharp and short (in terms of height rather than length), to absolutely minimise friction when slicing as cleanly as possible through flesh. And yet still I often see them with KU finishes. Is that not rather counter-productive? Or am I missing something?
There are primarily two types of "fish slicing knives", single bevel yanagiba and double bevel sujihiki. All the yanagiba that I am aware of do not come with a ku finish, sujihikis are available with and without a ku finish. Some sujihikis are thin and more suitable for raw fish slicing and usually have a migaki or smooth finish, some sujihikis are thicker and more suitable for cooked meat slicing and some of these are available with a ku finish.
 
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There are primarily two types of "fish slicing knives", single bevel yanagiba and double bevel sujihiki. All the yanagiba that I am aware of do not come with a ku finish, sujihikis are available with and without a ku finish. Some sujihikis are thin and more suitable for raw fish slicing and usually have a migaki or smooth finish, some sujihikis are thicker and more suitable for cooked meat slicing and some of these are available with a ku finish.

Ah ok, that makes sense. I think I was thinking too much about slicing raw fish for sushi/sashimi.

And now that I think about it - a KU finish on a single bevel knife would I imagine would be *extremely* counter-productive when it came to sharpening.
 
There's single bevel yanagiba with kurouchi finish, check japanesechefsknife.com

Usually cheap product, still function OK.
 
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