English: Diagram of the metallic fittings called Rokoyō Kanagu which are used extensively in Japanese architecture. Fig.A is an ornamental fitting used to conceal the nails used to affix the transom (Nageshi). Fig.B Is an ornamental fixture usually affixed to the gable, it is sometimes made from wood. Fig.C is an exploded view of Fig.B with components from left to right called, Taru no Kuchi, Maru za, Kiku za, and Rokuyō za fitted at right angles as shown in the diagram.