The power-packing move will also fix your slice."Most amateurs drain power instead of building it by starting their backswings with their arms. I like to feel as through my arms and hands are simply coming along for the ride as I wind up with my upper body and hips. Here's a foolproof way to get your swing off to a good start: From address, pull your right hip behind and turn your left shoulder to the left of your left foot. If you do it in tandem, it should feel as though your chest is rotating in place."