According to a magic-busting show I saw once, it has -- at least in the example they used -- something to do with a camera fixed on a rotating platform... but I'd really have to see the rig.

They have been trying to become more and more family-friendly since the whole Sin City thing became blase and passe and all those other se's; guess they're not quiiiite there yet?

Gawd. Sounds like Coconut Grove on a Friday night.