| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the following problem: a putting technique of a golf is the accuracy of the direction in which the ball is to be rolled, a sense of distance to the cup, and the ability to find a slope of the green and a line by grain, and many golfers cannot hit a ball in the direction targeted as they imagine and cannot really know why they cannot correctly hit the balls, so that they cannot improve their technique for long. <P>SOLUTION: By practicing with a deformed golf ball for putting practice which characterized by having a such shape that a pole is inserted in the center line of a conventional golf ball, the accuracy of the direction in which the ball is to be rolled improved in a short period of time. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
