Brock String, Vision Convergence Insufficiency Training Tool for Eye Muscle Strengthening, Focus Exercise and Agility

Description

👁️‍🗨️ Sharpen Your Vision, Elevate Your Game!

The Brock String is a professional-grade vision training tool designed to improve convergence insufficiency, eye muscle strength, and focus agility. Featuring a 6-foot durable string with 3 precision beads, it offers sport-specific eye training to boost athletic performance. Easy to use at home with included instructions, this high-quality tool is essential for athletes and professionals seeking a competitive visual edge.