I participate with "freestyle Nunchaku" ~ I dunno if it can be classified as sport or extreme sports or just a hobby.. check my video @ http://www.youtube.c...e_videos?user=hapuzi
those moves are just community-based/forum/self-taught located at freestyleforum.net(in which I hope I am not advertising it). It has online activities like tournament/prizes/ladder battles(PVP) thru youtube and forum poll voting system. freestyle nunchaku(aka freechaku) is the modern version of nunchaku exhibition in a very innovative and unbelievable ways.
Other Activities I do is chopsticks throwing(using knife throwing technique applied with chopsticks).. and the common stuffs I do is Skateboarding..