| 摘要 |
In order to stabilize golf swing motion of a player, downswing motion that is the most important but difficult part in golf swing is streamlined. A moving object is set in a golf club. When the club is in a vertical position in a flow of its movement from the top of the swing to downswing, the moving object starts to fall by the player's kinetic energy and gravity. The player swings down the club while confirming the fall of the moving object and matching his/her motion to the vector of the object in a direction of the fall. This enables the player to perform an efficient downswing where the club is swung in a shortcut path. A more realistic club swing can be made when it is performed on a address mat where a stance and a distance of a ball are indicated. This can be achieved by a removable handle end portion.
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