| 摘要 |
PURPOSE: A putter is provided to send a golf ball in a direction that a golfer intends even though the putter head collides with the surface. CONSTITUTION: A putter is constituted as follows. A grip is combined with the upper end of a shaft. In the bottom of the shaft, a head(110) is combined. The head includes: a head main body(111) in which a hitting surface is formed in one side thereof; and a straight ground projection(170) which is combined in order to be projected downward from the bottom surface of the head main body. A plurality of coupling holes are formed in the head main body.
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