the act in which two men start by getting on their backs,then proceed to get butt
to butt, literally so close that these two guys are touching dicks side by side.
thus making it one dick like
now the third person male or female now comes into play,then insert both dicks at the same time into the ass or puss.now once on and in position using your hands grabbing the ankles of the other two thus the "buissness chair" is born now "swivel
" yourself about till climax is acheived.