This is the Gripzilla Tornado: a 3D arms builder that works your upper body hard. It prevents wrist and elbow injuries while allowing you to increase your grip strength. You can try over 100 exercise combinations. You can easily adjust the resistance.
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The Gripzilla Tornado helps you perform more pull ups, longer holds, heavier deadlifts, and more. It increases your finger strength, stamina, and forearm size.
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