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Achieve 2nd NATURE™ Fitness! 

Full-Body, Functional Movement Training

Karate, Pilates, Yoga, Kickboxing, Self-Defense

Flexibility, Balance, Reflex Conditioning

Strength, Resistance & Endurance Training

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Equipment/Training

ISO Donut
The ISO Donut is designed to offer a way to further improve your grip strength. You squeeze the Donut as a fidget-widget or stress reliever. Option: With a small purchase of a 2nd Iso-Donut, the 2 Donuts can be used to help your punching skills. This added element provides a secondary isometric strengthening technique and helps to create the correct biomechanical positioning of the hand, wrist, and forearm.

ISO Donut

SKU: ISOGrip0523
$2.99Price

  • Result: Strong, devastating punches! The ISO Donut is small enough to easily fit comfortably in your pocket. Use it to simply ‘get a grip’ while out and about. Get in your 5-minute squeeze per hand while shopping or hanging out at the coffee shop. It is small enough not to draw attention—unless you are wearing short sleeves and people are staring at your incredibly strong forearms.

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