| 摘要 |
A practice putting device according to the present invention is an annular collar sized for a snug friction fit onto a conventional golf ball. The collar in use is placed on a putting surface so that the golf ball may be aimed at the collar opening when the collar is laid on its side. Upon a successful putt, a golf ball becomes frictionally lodged within the collar. The collar has a one inch depth which, when the putt has the correct weight, and is aimed exactly so as to lodge in the collar, the collar will flip up so that its opening is in a horizontal plane, and so as to hold the golf ball in the manner of an egg sitting in an egg cup.
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