A dvojnice made of light coloured wood with seven finger holes, three on the left hand duct and four on the right. The two ducts of the instrument are played together, allowing the instrument to produce two notes simultaneously. The side edges of the instrument are serrated and it is is carved with cross-hatched designs.
Place of production: Unknown.
Hornbostel-Sachs classification: 421.221.12 Open flutes with internal duct with fingerholes.