Watch a Massively Powerful "Walkback" Slingshot Shoot Cannonball-Sized…

We've got a big ol' crush on slingshot master Joerg Sprave, but for all his rubbery kinetic might, there comes a point when the maximum power of a slingshot maxes out. That is, unless you're such a huge badass you use trees for slingshots. » 12/13/11 11:20am 12/13/11 11:20am