Kids are doing "bammers" with these particular brand of cylinders. It's a variation of whippets driving some scarcity in a few areas. Sort of a new TikTok trend. Another reason to ban that app.
Had to look up both terms. Only found "whippets," which is recreational use of nitrous oxide.
What I don't understand is how CO2 can be used recreationally. I suppose you could make yourself groggy, or pass out. Doesn't sound like much fun. Maybe it makes for a good TikTok, watching someone get groggy or pass out.