| 摘要 |
A golf club head incorporates: (a) multiple indicia of different configurations on a lower portion of the head rear side, said indicia being spaced apart in two directions and presented upwardly for viewing by the player, and (b) an alignment marker on the head above the level of said indicia and adapted to be brought into visual alignment with a selected one of said indicia in response to adjustment shifting of the player relative to the club head.
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