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Who sharpens Masakage knives?

Q: Who sharpens Masakage knives?

Masakage sharpening runs to Shibata's standard; the knives he sharpens personally are his own Koutetsu line.

Shibata founded Masakage as its head sharpener and the operation still runs to his standard — but the knives he sharpens personally are his own Koutetsu line, using his signature method: a different grit on each side of the edge, tuned for vegetables and raw fish.

Reviewed by James Zhang · Last updated 21 July 2026

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