Keywords Architecture Joints Also called kayaoi kamatsugi 茅負鎌継. A joint used to join sections of an eave support *kayaoi 茅負. It is a rabbeted, blind mortised and tenoned, gooseneck joint with a scarf *sogitsugi 殺継. a) noge 芒 (scarf) b) kama 鎌 (gooseneck)