This Guy Has Bigger Balls Than You [VIDEO]
Please forgive the headline, but it's true.
There's no way you would even think of attempting this.
Slacklining is like tightrope walking, but with a less-tight rope. Free Solo Slacklining is doing it without a safety line.
It's also pretty darn scary. That point hits home in the first few seconds of this video as our hero slips and falls - but then, gets back up on the horse, er, rope.