Spud Dr Squat StrapSpud Dr Squat Strap The Spud Inc Dr. Squat Strap pays tribute to one of the greatest strength athletes in historyDr. Fred Hatfield, better known as Dr. Squat. As the first person to squat 1,014 pounds in competition, Hatfield built his legendary strength using innovative training methods, including the exercise that became known as the Hatfield Back Raise (HFBR). The Hatfield Back Raise quickly became known as one of the most effective posterior chain