| 摘要 |
<p>PROBLEM TO BE SOLVED: To accurately strike a ball by use of the principle of the pendulum during approach shot. SOLUTION: Shafts 4 and 8 are attached respectively to a projecting joint 2 and a recessed joint 3, and grips 1 and 7 are attached to the respective rears of the shaft 4 and 8, with a club head 5 attached to the end of the shaft 4.</p> |
