Amazon.com : Golf Swing Trainer Aid Adjustable, Foldable Golf Swing Training Sticks to Improve Hinge, Forearm Rotation, Shoulder, Golf Training Aids Swing Practice Equipment for Posture Correction (Classic/Black) : Sports & Outdoors
Women's golf tips: Why posture is the key to a successful golf swing
Golf and Redcord: Swing Speed and Posture: Controlling Spine Angle and Swing Speed for Consistent Ball Contact