Multi Grip Hex Trap Bar This Multi Grip Hex Trap Bar is the next generation of the Olympic Hex Trap Bar. The Hex Trap Bar, is considered by weight lifters to be one of the most innovative pieces of strength training equipment in many decades. It was originally designed as an alternative form of weight training due to the inventor's lower back injury. Using the Olympic Hex Trap Bar places less stress on your spinal extensors during the lift as it brings the weight closer to the midline of your bo