What Happens When You Tie a Knot in the Middle of a Zipline

Our crazy awesome friend DevinSuperTramp and his gang of crazier and even more awesome friends came up with ways to make a zipline ever more fun: tying a knot in the middle of the line, running two people at once to catapult a person and trying as many insane tricks with skis as possible. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/bVKxYGeCWjM/this-is-what-happens-when-you-tie-a-knot-in-the-middle-of-a-zipline

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