Have a blast with this boxing tool will bring another fantastic & addictive elements to your boxing training. Whether you’re using the Punch Reflex Ball at the gym, at home, in a small space or looking for a fun way to train, exercise, and improve your fitness. The Punch Reflex Ball is perfect for you. Note: Eye protection is recommended when using this product. What is a Reflex Ball for? The Reflex Ball is designed to improve your hand-eye coordination, hand rhythm, accuracy & more. This product is suited for most ages! If you’re a beginner we recommend using this ball with a set of Bag Mitts! How do I setup & use the Punch Reflex Ball? Step 1. Place the Reflex Strap on your head.Step 2. Undo the knots on the Reflex Ball end. ( Be cautious not to let the string fall off the ball! )Step 3. Adjust the Reflex Ball and String length to the height of your Belly Button.Step 4. Tie up the Reflex Ball with a knot or two and have a test run!Step 5. If the string feels too long / short , adjust the string length until hitting the ball feels comfortable!Step 6. Cut off excess cord ONLY when you are satisfied with string length. Specifications Comfortable Stretch Head Strap Easy to adjust String Improves your boxing skills! Requires minimal space. Fits in your pocket or gym bag easily!