It is a
game (or art form) invented at Brock University, DeCew Residence. It involves
3 individuals, a pusher, a sitter and a rider. The pusher is none specified , the sitter must be male, and the rider must be
female. The sitter sits in an office chair, while the pusher spins the office chair in a counter-clockwise direction. The sitter must be wearing a Batman mask. The rider climbs to the highest point in the room. The rider leaps, in a spread eagle position, at the sitters pelvis. This
game is played in the nude. If coitus is achieved, it is known as going to the bat
cave.