They hid a primitive computer in their shoes that could predict where a ball would land on a roulette wheel.

CNN: The wave of wearable computers

Woods had to take off his shoes and socks to play a ball half submerged in the water hazard at the sixth, his 15th, but it paid off.

CNN: STORY HIGHLIGHTS

Lance Allred remembers pre-season tryouts for the Stampede, when bad shoes literally ripped the skin off the ball of his foot.

NPR: Almost-NBA Players Take Home Paltry Salaries