The first commercially successful mouthguard was invented by a dentist in 1890, initially marketed to boxers. elaborate
The dimples on a golf ball aren't just for looks; they reduce drag and increase distance by up to 30%. elaborate
The first fishing reels were made of wood. elaborate
The first surfboards were made from solid wood, often weighing over 100 pounds. elaborate
Climbing ropes are often tested to destruction (meaning they're broken) during manufacturing to ensure they meet safety standards. elaborate
The first patent for a treadmill, designed for forced exercise, was filed in 1818, not for fitness purposes, but to help prisoners exercise. elaborate