jabara ita　蛇腹板

Lit. snake belly board. The boards lined up under the thick eave ends nokizuke 軒付 of a cypress bark *hiwadabuki 桧皮葺, finely cut, layered, shingled roof *kokerabuki 柿葺, or thatched roof *kayabuki 茅葺. The boards are placed with butt ends *koguchi 木口 visible. On the ends of the rafters *taruki 垂木 several members are piled up to support the thick, heavy, overhanging ends of the eaves and prevent them from sagging. The jabara ita are placed just beneath the bottom layer of the wooden shingles on top of the eave pillars, kiri uragō 切裏甲. The shingles and eave fillers are secured with copper or bamboo nails. If the eave ends are exceedingly thick, cypress wood cut about 1 cm thick is set at a slant. A triangular piece is placed at the corners.