| 摘要 |
PURPOSE: A golf swing trainer is provided to reduce manufacturing costs and to improve training efficiency. CONSTITUTION: A golf swing trainer comprises a grip (10), a first shaft (20) which connects to the lower part of the grip and is adjusted in length, a second shaft (30) which connects to the lower part of the first shaft and is formed with a handle (25), and a head (40) which connects to the lower part of the second shaft. The second shaft is hollow or has an iron core. A luminescent material is applied on the surface of the second shaft and the head. The head is formed in the shape of a sphere or a polyhedron and has various weights. |
