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Is there a difference in sharpness between a knife made with hon-yaki and kasumi (two-layer) steel?

研師Ryota 研師RYOTA · JAN 13, 2026

This YouTube video has 29 000 views and was published Jan 13, 2026 on 研師Ryota. That is 2.4x the channel's average views.

Is there a difference in sharpness between a knife made with hon-yaki and kasumi (two-layer) steel? ▸ WATCH ON YOUTUBE
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