jm E!Ü OÀï´®X]îM½âÓÍWÇGn!+r]LY,L¬Get some dry ice, put it in a bag and tie it off. Once's it's sublimated to full expansion, place it over your head and face. Breathe deeply and enjoy it's non-toxicity.
https://whatsonchain.com/tx/b5f34ccc14b156a72f19a69b34ba30d52e2832a5a34f1041bb314b20896674e3