Explain It All on Instagram: "In 1959, car designers experimented with a wild safety concept a horizontally spinning wheel mounted to the front bumper. The idea was simple but bold; during low-speed impacts, the rotating drum would absorb the hit and roll along the obstacle, redirecting force sideways instead of crumpling metal The concept never reached production due due to cost, complexity, and the rise of more effective safety systems, but it perfectly captures an era when automotive innovati