A few weeks back Rod Morgan came to visit just prior to my relocation to Destin, FL where I now conduct PlumDragon on a full-time basis. We did several hours of training on various topics and of course, we also broke ALOT of concrete. Here is a short little vid of some of the breaks that we taped:

http://www.youtube.com/watch?v=jISZpvTTwLo

I think several of these breaks are of pretty rare stature in todays world of iron palm....Enjoy!