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Old 10-14-2012, 01:24 PM   #45
rockjaw
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Join Date: Sep 2012
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Default Re: ROCK JAW (Neck & Jaw Strengthener for boxers)

Thanks Jeff..neck rolls only target the neck.Rock Jaw targets jaw and neck. I'm here for opinions..can we have your opinion on this? why would you pass up strengthening your jaw? and only work the neck. My product targets both. What sport do you compete?
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