The instrument is generally played by being held upright on one's knee, or between one's knees while kneeling on the floor, and moving the bow horizontally across the strings. Traditionally, the ''kokyû'' had three strings, like the shamisen, but four-stringed versions became more common in the 20th century. | The instrument is generally played by being held upright on one's knee, or between one's knees while kneeling on the floor, and moving the bow horizontally across the strings. Traditionally, the ''kokyû'' had three strings, like the shamisen, but four-stringed versions became more common in the 20th century. |