(09-03-2012, 07:57 PM)Sleepster Wrote:(09-03-2012, 04:58 PM)archangle Wrote: There's actually some risk from using a chin strap, but I can open my mouth pretty easily even with a chin strap. My respironics chin strap had a warning about asphyxiation.
Like if you choke while trying to swallow it?!
The warning is about the risk of rebreathing CO2 if power goes out, you're wearing a nasal mask, the power goes out, and you don't open your mouth due to the chin strap.