Persist in swinging 20-25 times a day,which will effectively improve the technical of swing,improve the distance and accuracy of hitting the balls. The rod can be stretched and will emit a simulated hitting sound when swinging.After stretching,it will make a sound that simulates the feeling of hitting the balls. Combine the correct grip with the feeling of a full-swing.Effectively increase hitting distance and swing controls. Help exercise your body: It is very suitable for comprehensive and strength training to build golf muscles for a stable swing. The telescopic swing trainer adopts a compact design that is not limited by space,and can practice swing any-time,indoors or outdoors.