| 摘要 |
<p>PURPOSE: To provide an iron club set of golf that correctly deals with a hook ball or slice ball occurring with a long iron and short iron. CONSTITUTION: At back sides 14a, 14b, 14c, and 14d of heads 11a, 11b, 11c, and 11d, cavities 21a, 21b, 21c, and 21d are formed. As a number of club becomes higher, the cavities 21a, 21b, 21c, and 21d are shifted from heals 17a, 17b, 17c, and 17d to toes 18a, 18b, 18c, and 18d accordingly. These cavities 21a, 21b, 21c, and 21d widen a sweet area. The cavities 21a, 21b, 21c, and 21d fully display their functions for corresponding number clubs.</p> |
