Đing jơng (gender unknown)
Mouth organ without a wind chest
Jarai (Gia Rai, or Djorai) and Bahnar (or Ba Na) people (Central Highlands); Mouth organ without a wind chest, with 13 pipes bundled together into 3 rows arranged in order from short to long; A musical instrument for women, who apparently have to blow directly in each individual pipe (➺ internet photos).
Made of bamboo (230-1190 mm; Ø 19 mm).