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Keep your right arm (back arm if right handed) straight at address, if the right elbow is bent at all at address it will throw off your swing bottom through the ball when your hands go high it stretches your arms out away from you and you need to be setup with straight elbows to all ow for that reach. When I play my best I feel like I am pushing the club up high over my head at the top as opposed to just back around and behind, this keeps everything stretched out and full and will greatly increase power with a full turn. Not sure I make that change. Just sayin.