. >> one of my biggest heroes in action sports is travis pastrelm. this guy continues to break down barriers and do crazy stuff like >> oh! its ecalled a double quark 1080, that's what travis is calling it. this is a practice session the more than after one of their biggest shows in london. this goes to show you how hard these guys practice and go after it. listen to the reaction. >> oh my god! are you kidding me? >> travis and the rest of their crew totally stoked because this trick has never been done before. >> he's really gung ho about it. >> it's crazy a double back flip with a double role. how does anybody do that? >> slow motion, back flip with a twist to another back flip. travis stomped the landing and rolled it out >> is this a move he thought about? >> three years. he and his buddy dusty had a bet, travis went for it and pulled it off. he writes in the description he was tired, he was sick, he was night before. this here is like his hole in one, what makes him continue to do it. >> oh i'm beat up, oh, new trick. >> see the anynitrus circus