Learn an incredible and unique style of nunchaku that fuses martial arts with a graceful, technical flow art.  Flowtricks has one of the most popular freestyle nunchaku styles available.  Learn it here. 

Advantages:  Symmetrical sides allow for original techniques, fast and furious, very controllable, often associated with power

Disadvantages:  Learning curve, injury prone if not doing it correctly, fire nunchaku is hot, illegal in some locations due to people who haven't been using this as an art.
 

Verdict:  Learn nunchaku if you want to add a wickedness to your arsenal... or if you like the Ninja Turtles.