| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a putting practice implement enabling a player to analyze whether an undesirable speed element is given to a ball in an impact time. <P>SOLUTION: A club head 2 includes at least one striking face 4, a rear race 10 and side faces 6, 8 or edges 32 defining a body 12 of a predetermined thickness to which a shaft is attached. The body of the head includes inside a recess 14 in a form of opening into the rear face of the head, or a hole 14 completely defined within the body. The hole is of marginally greater dimensions than a conventionally sized golf ball, and adapted to receive an object such as the conventionally sized golf ball. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
