Invention Grant
US08715099B2 Backswing training device 有权
后退训练装置

Backswing training device
Abstract:
A golf backswing training device. The device includes a first elongate portion defining a first major axis. A second elongate portion slideably engageable with the first elongate portion is included, the second elongate portion defining a second major axis, a first end, and a second end. A club alignment element coupled to the first end of the second elongate portion is included, the club alignment element having a first club contact surface disposed at an acute angle with respect to the second major axis.
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