A Japanese knife is never just a tool—it is the embodiment of centuries of history, pride, and artistry.

The single-edged blade, iconic in Japanese cuisine, was born from a unique path: the cultural reverence for blades in the Kamakura period, perfected during the peaceful Edo era, and transformed by swordsmiths after the Haitōrei edict of 1876.

From Emperor Go-Toba’s passion for sword-making, to the refinement of food as art, and the adaptation of samurai swordsmithing into kitchen knife craftsmanship, every step in this journey shaped why Japanese knives became single-edged.

Unlike double-edged knives, the single edge allows chefs to separate fish from bone with flawless precision, glide along natural fibers without damage, and preserve flavor and aesthetics in every dish. In a culture where food reflects philosophy, beauty, and discipline, the single-edged knife was not just practical—it became essential.