The Bontormian klesplong was a complicated musical instrument from the Bontormia system. It was built from a Xloff horn, a Troomic sound tube, and a Plandl horn. A cymbal and a radion modulator could be added to accentuate the sound a bit more. Ak-rev was in possession of a klesplong.
- Star Wars: The Visual Dictionary (First mentioned)
- Star Wars: The Complete Visual Dictionary
- The Complete Star Wars Encyclopedia