You probably know this thing, maybe you have seen it on a fair, or around a gym or just in one of the insanely viral videos; Hang for 100 seconds and win a $100 challenge. So I wanted to buy one ...

Think you can hang on for 100 seconds? Sounds easy, right? Not so fast! This bar rotates, making it nearly impossible to hold on! I built my own version of the famous challenge and hit the beach to ...