1https://emuseum.cornell.edu/internal/media/dispatcher/71704/fullTsuba with design of waves and nets18th century[Choshu, Nagato, Of tomotsune]ChoshuIronNet grill and katakiri wave designs. Katakiri (Cutting to one side) is a form of chiselled engraving resembling brush strokes, in which one side of the V cut is vertical; originated by the Yokoya School. Ordinary engraving of this sort is called kebori.Armorhttps://emuseum.cornell.edu/objects/9277/rdf