Corny Kegs are originally designed for soft drinks...
...syrup
forget the keg . . . .who is the blonde/milf top left hahahaha
The res for the drivers drink bottle is in the boot. I'd say the keg is full of some kind of electrolyte drink rather than the **** that's advertised on the outside of it. Just another way of getting a sponsor's brand out there... see, this thread is proof it's working