| 摘要 |
A golf club putter of the type having a golf shaft extending upward from the putter head comprising a translucent or transparent see-through solid putter head having peripheral outer vertical surfaces consisting of a forward putting face squared with a pair of spaced parallel side surfaces and opposite a rear surface. The forward and rearward vertical surfaces are opacified surfaces or all four vertical surfaces can be opacified. The vertical opacified surfaces are visible to a golfer looking downward at the putter head prior to putting and conveys information to the golfer of the extent of misalignment of the face of the putter with the golfball and the cup and degree of squaring with a centerline through the cup, the golfball, and the putter face.
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