| 摘要 |
PURPOSE: A putting line displaying apparatus is provided to display a straight line from a golf ball to a hole-cup on the visual field of a player. CONSTITUTION: A putting line displaying apparatus includes a cap(10), a displaying unit(20), and a hinge. The displaying unit is installed at the lower side of the visor of the cap and is in the form of transparent glasses to be rotatably by the hinge. A horizontal line is extended along the horizontal direction of the apparatus. A vertical line is extended along the vertical direction of the apparatus. The hinge is arranged at the lower side of the visor of the cap. |
