Grid System Brockmann: migliori di aprile 2025

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IMPROVES CONVERGENCE & PERFORMANCE: Convergence training using a Brock String can be useful for convergence insufficiency, as well as strength and athletic performance.
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 athletic edge.
EASY TO USE: You can use Brock String right from the comfort of your home with a very short learning curve involved.
HIGH QUALITY: This Brock String is designed with an extremely high quality, and highly durable string and beads.
72,54 € SU AMAZON

Grid System Brockmann