| 摘要 |
PURPOSE: A ball-marker keeping device is provided to enable a player to recognize his/her strength adjustment when puts a golf ball. CONSTITUTION: A ball-marker keeping device comprises: a ball-marker housing(10) which is formed in order to have a predetermined height and is equipped with a storage unit for keeping a ball-marker and in which a separation prevention wall is formed along the top edge of a storage unit; a fixing unit(14) of a concavo-convex shape which is extended downward from the center of the storage unit and is inserted and fixed in the upper end of the putter grip; and an impact detector which is axis-connected to the separation prevention wall of the ball-marker housing and rotates up and down. |
