This is an entertainment video where these guys filled a room with helium and try different things in it, but for me it's also a profound suicide guide. (It's in Russian, but there are English subtitles)
All you need is plastic wrap, duct tape, some carcass to stick it all on, and helium.
What makes this method better than just a plain mask is that there's no risk that you'll take the mask off after you go unconscious or it will come off on its own. And you don't have to think about ensuring that the mask is connected properly, the pressure is right, etc. Thoughts?
