Ghaychak

Ghaychak, Gheychak or ghijak is the name of several bowed instruments of Asia.

A double-chambered bowl lute with 4 or more metal strings and a short fretless neck. It is used by Iranians and Baloch people, and is similar to Sarinda. The soundbox is carved out of a single piece of wood. The upper orifice is partly covered in the middle by the handle and the lower one is covered by a skin membrane against which the bridge rests.