The Putting Stroke Teacher (PST) is a golf training aid that helps golfers set-up square. The device is  designed to be adjustable for any golfer regardless of their putting style. Three fundamentals are obtained by using the PST.
1. Allows a golfer to confirm forearm and shoulder alignment visually.
2. Helps the path of the putter to be straight down the line at impact.
3. Creates a more solid impact by hitting putts in the center of the club face.
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The Putting Stroke Teacher