| 摘要 |
<p>A putter, iron, wood or metal wooded club, that incorporates within the body of its head a core hole 17 whose air space follows a line along, and behind its face 7. The line of which remains within the boundaries of its head profile, other than where the core hole emerges at the end sections of the club known as heel 15 and toe 13. <IMAGE></p> |
