Visio Putting Training Balls (Pack of Three)

Description

Hard to find and not available in the US.  New, never used.  Comes in the pouch as it was shipping to me.
These are the only "premium" g
olf balls for this type of visual feedback training for putting.  These balls can be used as practice tool but can used on the golf course too!
These sell online from the UK only for /pack plus international shipping rates.
Selling each pack for + shipping
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Description below:
The Visio Putting Balls Pack
The visio putting balls pack offers a simple but effective way to get feedback on your stroke mechanics and remove the frustration of missed putts. The pack comes with 3 distinctly designed balls. A cross hair design, a triple line design and a 50/50 black/white design.
Using the different designs and their unique alignment features you can assess the spin and launch of the ball. Feedback on the spin and launch will help you determine the impact conditions of your putt which in turn give you the feedback you need to help you improve your stroke.
Improve your Impact
After you have struck the putt if the lines of the ball wobble left to right the club face is open, the path is left or the strike is from the heel. If the lines wobble from right to left the club face is shut, the path is to the right or the ball is struck from the toe.
Rolling the ball end of end will require minimal face to path error and centred contact. The exact conditions we strive for on every putt.
Practicing with the visio putting balls will help you create those impact conditions to help you start more putts on line in practice and the golf course.