| 摘要 |
A facing direction confirming device for a head of a golf club to shoot a golf ball accurately in an intended direction, a method of forming an index of the facing direction of the club head. and a golf club having a club head with the index are disclosed. The confirming device includes a mat, a light source mounted on a first end of the mat for emitting a light beam, a reflecting mirror mounted on an opposite, second end for confining the direction of the light beam, a ball target interposed close to the light source between the light source and the reflecting mirror, and a transparent plate interposed between the light source and the ball target for detecting a light spot reflected from the reflecting mirror. The method of forming an index includes the steps of determining a reference light spot by a reference light on a transparent plate, addressing the head of the golf club on the end facing the reflecting mirror between the light source and the reflecting mirror, calculating a deviation angle to be made between the reference light and a reflected light, and forming an index on the club head for correcting the deviation angle. The golf club includes a club head having an index formed at a position of a crest of the head on the end opposite the face of the head and has an angular difference from the face line formed by the face.
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