| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a golf ball for practicing putting and a practicing device, with which when a player practices putting, the player can easily catch a ball after the putting and can easily reset the ball subsequently. <P>SOLUTION: This golf ball 1 having a mark 2 provided along a maximal circumference line of a ball peripheral surface includes magnet pieces 3 at two positions on the peripheral face where a straight line and the ball peripheral face cross each other, the straight line passing through the ball center, and being perpendicular to a plane including the maximal circumference line where the mark is provided. The ball 1 is thus attracted to a magnetic metal piece 7 provided on the side face of a putter head 6, by magnetic force, so that a player can set the ball without stooping down. <P>COPYRIGHT: (C)2013,JPO&INPIT |
