A Slingshot that Propels Circular Saw Blades

I never truly appreciated how awesome of a launching platform a slingshot could be until I came across Joerg Sprave's YouTube videos. He seems to specialize in slingshots that launch all manners of awesome and in his new video he doesn't disappoint. For your amusement a slingshot that launches circular saw blades:

[youtube=http://www.youtube.com/watch?v=JrHFxscunOA]