| 摘要 |
A golf club having a shaft whose longitudinally extending axis passes through the center of gravity or "sweet spot" of the golf club head. The center of gravity is equally spaced from the heel and toe of the golf club head and also equally spaced from its top edge and bottom edge. The front surface of the golf club head has a concave curvature only in its horizontal axis. The center of gravity of the golf club head is also centrally positioned between its front and its rear surface.
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