Scientific and reasonable design and construction, easy to carry, easy to use, inflatable balloon can adjust its size, neck rope can adjust its length, suitable for golf lovers of different heights. The inflatable smart ball is connected to an adjustable rope; At present, there is a very good training aid on the market, which can be used under the armpit or inflated between the forearms. The Smart Ball will help you understand how your arms and body work during an effective golf swing. Now control the swing. With this golf intelligent balloon inflator, the practitioner can correctly master the swing posture, fix and strengthen the arm distance muscle memory, avoid bending the arm, synchronize the body and arm, and effectively improve the swing skills, so as to master the correct swing posture and find the correct hitting point. For golf enthusiasts, this is a good training tool, which can improve the swing performance through repeated training of intelligent ball practitioners in a short period of time. Name: Golf Smart BallMaterial: PVC+nylon webbing hookSpecification: 15cm