So, just run a mile or three to sober up (without the need for any device) .. seems pretty straightforward. Though you likely won't be running straight. :D
Seems really interesteling, I'll have to try it sometime. But does hyper ventilating really make you pass out after a couple minutes? I guess I've never tried, but it sounds counterintuitive.
I'm sure there was fun to be had doing this study!
The answer is yes. Just try blowing up an air mattress at the beach. Soon you will feel tingly and need to take a break. Or possible use this device and blow like a champion come beach days