dude,you gotto sort out the smoking thing in there,waiting half hour to go have a fag is a bit of a shitter. I missed the first 15 minutes of hardfloor cos of this!
Just let people come and go as they please,they're all munted,they might mill around for a while,but it'd be way easier than queing up the stairs. Couple of bouncers outside to make sure nothing shadey (or too loud) goes on,and bobs yer uncles best mates dog.