| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a golf club which can give a ball a sufficient back spin even at a shot from a rough by designing an internal structure of a head. SOLUTION: In order to enhance the rigidity only in the vicinity of grooves engraved in a face, the face is formed into a thin plate shape to provide a gap between itself and a head body, while only a portion on the rear side of the grooves are connected to the head body by thin members.</p> |
