and http://www.simplyphysics.com/flying_objects/Chair_Removal.flv http://www.simplyphysics.com/flying_objects/Chair_Removal.fl... to give you some idea of how h

and http://www.simplyphysics.com/flying_objects/Chair_Removal.flv http://www.simplyphysics.com/flying_objects/Chair_Removal.fl... to give you some idea of how hard they "suck" - that's two guys (one with a lever) plus some sort of strapping so that people in another room can pull too.