A NEW kind of SEA sport in USA .....Interesting

 A NEW kind of SEA sport...Interesting.....Watch...


 Please click on the link and watch
 http://www.youtube.com/watch?v=Cd6C1vIyQ3w&feature=youtube_gdata_player


 And How does it work?
 http://www.youtube.com/watch?v=OUIW102opak&feature=related