Advanced Slingshot Vertical Jump Workout

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This is the #1 workout for increasing your vertical jump. Used by professional athletes in the NBA, NFL, MLB & Olympians. It's effective because it utilizes elastic resistance, whi ch is far more superior than just gravitational resistance. Each time you explode up, it absorbs the energy you input and returns it back to you greater. You will not only increase your vertical jump, but also reduce your injuries because it develops your eccentric strength. What's included: Slingshot Vertical Jump Workout. 2 Resistance Bands. 1 Tensioner. Bag. Show more