Kei kin
Kei kin *spike fiddle of Japan, with 4 strings; it corresponds to the *hu ch'in of China. The bamboo body has a diam. of 10 cm. (4 in.), the neck is 70 cm. (27½ in.) long, the open strings 27 cm. (10½ in.) long. They are tuned in pairs, a 5th apart, occasionally a 4th apart. The bow, 71 cm. (28 in.) long, is entwined in the strings so that they cannot be sounded separately. Cf. ko kun, tei kin (157). Piggott, Francis. The Music and Musical Instruments of Japan. London. 1909.