Show: American Ninja Warrior
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American challengers compete in American Ninja Warrior as a preliminary round before heading to Japan for Sasuke, the main event. Unfortunately, the obstacle course presented on this show is so insanely difficult that no American has yet to complete it.
The Log Grip is one of many reasons why no one can get to Japan. During this challenge, the contestant must hang off of a fake log as it swings over muddy water. Simple, but effective.