no won as done them to concrete or wood yet few people have done them to resi and a few mad as aussie have tried them onto concrete with mattresses/foam
Does no one remember? Cory Geisler my man. He tried them to concrete with out mattress's if he didn't stuff the drop in he could of gotten it imo. His a legend in my books. http://www.youtube.com/watch?v=R-WpJxX9URQ