Hacker News new | past | comments | ask | show | jobs | submit
andersmurphy | on: Didgeridoo playing as alternative treatment for obstructive sleep apnoea (2006)
Yeah that should be 2.8-3.3cm for sure.
defrost | parent
For added fun, two tubes of roughly that size that air seal fit one inside the other makes for a slide didgeribone.

addendum: https://www.youtube.com/watch?v=A1d7Eztj7Eg