This "deep voice gas" will make it sound like you're possessed
Sulfur Hexafluoride - Deep Voice Gas
Deep Voice Gas - Sulfur Hexafluoride Experiments (SF6)
how voice sound after taking helium, neon, argon, krypton baloons...
"Deep Voice Gas Sulfur Hexafluoride" Nickipedia: Ep.10
your voice first thing in the morning
Beatboxing with Sulfur Hexafluoride (Deep Voice Gas) w/ Nick Uhas
Mike Benz - The (Deep) State of Global Censorship | Ep. 44
Deepest voice in the WORLD.
Deep Voice Gases
Famous People on Sulfur Hexafluoride Compilation (Deep Voice Gas) part 3
CRAZY DEEP VOICE GAS EXPERIMENT! (Smosh Lab)
Using sulphur hexafluoride to make your voice deeper
Heavy Air - The Deep Voice Gas
Deep Voice Gas w/David Dobrik
How to INSTANTLY Make Your Voice Deeper (4-Steps)
Deep Voice Gas Hidden Uses
Teachers Try Sulfur Hexafluoride! - SF6 Deep Voice Gas
How to make your voice deeper!