I think that the designers of such things, probably don't have much of a circle of friends lol

Surely they are exceeding the boundaries of the human lung?
I mean, how much vacuum must be acquired to move that amount of air?

Stick to bucket bongs, I say...easier to make/hide/get stoned from lol

That said, I am currently working on an idea that involves the elevator system of the Sears Tower and Niagra Falls lmaooo

Bong?..That aint a bong, mate...!