Ill try an explain it. The guy taking the shottie sits down and breathes as deeply and as fast as he can for anywhere from 30 seconds to a minute. the longer the better. Then on the last breath you exhale as much as you can and take your shotty. as your taking it you slowly stand up as your inhaling the smoke. When your finnished you should feel extrmley light headed and just...GOOOOOOOD hehe. try it, its fun. some people have actually passed out.