Golf Practice Tool Elbow Arm Band Braces Swing Gesture Alignment Training AidFeatures:Simple yet effective golf training tool.Help you keep the elbow straight， prevent and rectify incorrect swing， so as to form effective hitting. Its circumference is adjustable， and it fits for most arms.Suitable for both right and left-handed golfers， as well as female golfers and junior golfers.Note:During swinging up to the top， it does not make any sound if your elbow is straight. When you swing with the bended elbow， you can notice something wrong by the tick-tock sound.Specifications:Color: Black and whiteMaterial: NylonMaximum circumference: Approx. 33cm / 13"Minimum circumference: Approx. 22.9cm / 9"Weight: 68g / 2.4ozPackage list: 1 * Golf Elbow Band