Why it’s harder than it seems: Here you’ll swing your way across a pit of icy water, grabbing rings greased in oil and hanging four to six feet apart. (Buildup from mud and ice make the rings extra slippery too.) And while you would think upper body strength is key here, strong hand muscles are actually what will give you an advantage, helping you establish a rhythm as you swing across.
Completion rate: Roughly 30%, says Kombol.
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