Cai cap ke
Cai cap ke concave castanets of Vietnam, made of ironwood, 3½ cm. (1½ in.) thick and some 20 cm. (8 in.) long. A pair is held in one hand and clicked together (132). Mahillon, Victor. Catalogue descriptif et analytique du Musée Instrumental du Conservatoire de Bruxelles. 1893–1922.