This simple training aid is completely free. You just have to wait for it

golfer hits putt on green with shadow casting

If you don't want to splurge on an expensive training aid, you can use your shadow to improve your swing instead.

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Zephyr Melton

Zephyr Melton is an assistant editor for GOLF.com where he spends his days blogging, producing and editing. Prior to joining the team at GOLF, he attended the University of Texas followed by stops with the Texas Golf Association, Team USA, the Green Bay Packers and the PGA Tour. He assists on all things instruction and covers amateur and women’s golf. He can be reached at zephyr_melton@golf.com.