| 摘要 |
A training device to assist a player in maintaining proper head position and visual contact with a ball, during a swing of a club, racket, or bat, for example. In the preferred embodiment, the present invention includes a mouth piece which is secured by a person's teeth and a spring loaded attachable mechanism clamped to the person's jersey. A cord connects the mouth piece to the attachable mechanism and provides resistance to any head movements which place the cord in tension. Accordingly, the person maintains better head positioning during the swing.
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