"Koutarou" no Otsumami Wasyoku Ikazuchi The spine and choil are

The spine and choil are eased and polished

it tends to have a bit of impact on edge retention as well

The surfaces of each side have been mirrror polished and the spine and choil have been rounded

If you'd like to have a conversation about how you can expect this to work

"Koutarou" no Otsumami Wasyoku Ikazuchi The spine and choil areProduct Description Detailed Specs Measurements "Kotaro" no Otsumami Washoku Written by Kotaro Hayashi, the owner chef of the popular izakaya "Kotaro" in Shibuya, Tokyo, this book is a guide to a number of the "otsumami" dishes that he creates. The book has great visual guides to different ratios for liquids used in the dishes (dashi, dark soy sauce, light soy sauce, vinegar, etc) as well as detailed recipes and explanations of cooking techniques.