Buster Keaton was a crazy mofo! Crew members threatened to quit GIF

Realistically, all you'd need to do is measure the distance from the base to the window, then the same distance straight out from the house. Theoretically, he can't be harmed if it's done right. And hey, it worked!

johnny knoxville did this and it landed on him..

Does anybody else see the edge of the window hitting his elbow and yet he stands there like it didn't hurt?