giggyvibe on Instagram: "The X post shares a 59-second video of the "Bowler Roller" carnival game, showing repeated failures where a bowling ball rolls back down a humped ramp, until one player succeeds by imparting backspin during release. Backspin increases surface friction and momentum transfer, allowing the ball to "crawl" over the hump—a physics-based trick documented in carnival analyses since at least 2019, despite game rules often prohibiting spins. With 4.9 million views and mixed repli