Idioglottal transverse clarinet. Bamboo stick with two nodes at the top and middle and a flared opening at the bottom from have been cut off close to a third node. Tube is open at both ends. Reed is formed from a section cut from near the proximal end, which has a square end (facing down the instrument) and is approx 4x60 mm. threads are tied round the body in two places, below the reed and near the bottom. Another short thread is tied above the reed.
The name 'velang' was recorded by Mercedes Mackay, the collector of this instrument, but does not appear in any of the standard sources.