Looks very cool, first saw it in the book of cool adverts. I personally wouldn't know where to start with this but it's very cool, and given an opportunity to learn I definitely would. [video=youtube;RPx6cw-lrKM]http://www.youtube.com/watch?v=RPx6cw-lrKM[/video] Seems a lot like specialized juggling. It also reminds me of flairing.