Japanese knife laying flat on a blue belgian whetstone (coticule ardennes)

Sharpening the Kyohei Bunka with a blue belgian whetstone.

Razorsharp. 🔪 #sharpknivesrock

I have a question about Deba knives:
Does the Uraoshi have to lie completely flat, or can it be slightly concave from heel to tip?
#japaneseknife #deba #knife
#sharpknivesrock

Maybe @knifewearknives.bsky.social
@ichimonji-jp.bsky.social

Part of a japanese knife. Kanji on upper direction, cladding line and shiny cutting edge with reflections of light. Wooden cutting board underneath.

#tracksofart
#sharpknivesrock