well yeah but the thing is you sit on the seat, then your chest and legs are trapped in, then you are pulled back like when superman is flying then do flips and twists and such.
oh, well my one friend was a little scared of the scream machine, we all called him a sissy so he want on, so i sat behind him and the whole time i'm saying "yeah, ___ isn't this awesome!" and he goes "SHUT UP KENNY!!"