Did a racehorse have a better friend? At 4 feet, 11 inches tall and 98 pounds, it didn’t look like Bill Shoemaker could muscle a few sacks of groceries, let alone control a head-strong Thoroughbred a dozen times his weight. Still, Shoemaker personified that mysterious bond between horse and rider. He communicated with an innate light touch on the reins, coaxing the horse into the action, gentling it with his hands.