Raga come fanno questi a fare sto suono
[video=youtube;p2Z4ah0LnL4]http://www.youtube.com/watch?v=p2Z4ah0LnL4&lc=3l8KGNPq47eEq8bYdlIjQwXmDXALiPcebCQe0Uhyugg&feature=inbox[/video]
[video=youtube;p2Z4ah0LnL4]http://www.youtube.com/watch?v=p2Z4ah0LnL4&lc=3l8KGNPq47eEq8bYdlIjQwXmDXALiPcebCQe0Uhyugg&feature=inbox[/video]