Iˉ hpuˇ k’aw (gender unknown)
Slightly curved extension piece of the gourd shaft of the Naw_ suhˆ-ehˆ, serving to make playing easier because the lower arms do not have to be bent as much.
Gourd shaft; Outside curve: 170 mm, inside curve: 160 mm.
Schwörer, Gretel: Die Mundorgel bei den Laˇ Hu_ in Nord-Thailand: Bauweise, Funktion und Musik, 1: Darstellung. Hamburg, 1982, p.158.