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Train Convergence
Convergence training using a Brock String can be useful for convergence insufficiency, as well as strength and athletic performance.
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Sports Performance
With a 6-foot long string and 5 tight-fitted beads, this Brock String is great for training the eyes in sport-specific positions – giving you the ultimate edge.
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Easy To Use
You can use Brock String right from the comfort of your home with a very short learning curve involved.
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High Quality
This Brock String is designed with an extremely high quality, and highly durable string and beads. It also comes with instructions included and responsive customer support should you have any questions.
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