Resurrecting this thread because I am still wishing to combine methods and could use some advice. I know N is lethal, but I have extreme anxiety and just want to have a double method ready on hand in case I can't drink all the N due to taste or vomit some of it up.
I bought a giant plastic bag for covering a couch. I could potentially set this up with a chair inside, tape up most of the opening beforehand, drink my N, climb in, and tape the remaining gap up from the inside. I'd have to act quickly after drinking of course, but that seems a safer bet than trying to deal with N inside the bag (the drinking followed by alcohol followed by honey/chocolate, seems I might end up spilling things). I figure the air would last some number of hours. Advantage is I would pass out long before feeling any sense of suffocation.
I also bought an extra large garbage bag, like those used for yard waste. I could do the bag on head method with this and hope that with its big size, I would still pass out before feeling suffocated.
Which sounds like a better plan? If I do the giant bag, any advice? I'm not thinking too clearly at this point... honestly when I first thought of this I thought I could just put it over my head and then wrap a band around my waist or feet to seal it... forgetting that my arms would be inside. I'm a genius.