Increase Your Vertical with Dunker Sir Issac White
Issac White can jump almost 5 feet in the air. He and his trainer Terry Turner teach you how to increase your vertical. Consider this step one to dunking over your friend's head.
Issac White can jump almost 5 feet in the air. He and his trainer Terry Turner teach you how to increase your vertical. Consider this step one to dunking over your friend's head.
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