| 摘要 |
PURPOSE: A golf putter for posture correction is provided to check horizontality of a putter head by using an air bubble horizontal device. CONSTITUTION: A golf putter for posture correction comprises upper estimation part(10) and lower part estimation part(20) which have identical shapes on the same perpendicular cord. The upper estimation part and the lower estimation part have a cross shape from a top view. The upper estimation part and the lower estimation part have different colors. The upper estimation part and the lower estimation part are respectively marked on an upper surface and a lower surface of an estimation cask(30) which is composed of a transparent cask. |
