In shrine and temple buildings, the gable boards of the gables covering slanting pieces of wood on the Tsuma sides are extended and protrude from the roof, and the protruding portions are called Chigi.
神社建築においては、妻部分の斜め材を囲う破風（はふ）部分の破風板が延長して千木（ちぎ）と呼ぶ斜め材が突出する。