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Old 09-16-2012, 06:45 PM   #1 (permalink)
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ROCK JAW Neck & Jaw Strengthener for MMA fighters

MMA fighters can strengthen the neck and jaw with Rock Jaw. $5.00 plus shipping Ebay or www.rock-jaw.20m.com
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Last edited by rock-jaw : 10-05-2012 at 12:55 AM.
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Old 09-16-2012, 06:50 PM   #2 (permalink)
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Damn this is what I've been looking for. I used a chain and strap on my neck lifting about 50-75 lbs and everybody in the gym says it's dangerous so I just do bridges.

Good stuff!
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Old 09-16-2012, 06:57 PM   #3 (permalink)
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I used a towel and a weight before i invented Rock Jaw, but I get a better grip with the mouth guard and it's easier to clean for the next use.
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Old 09-16-2012, 09:01 PM   #4 (permalink)
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Old 09-17-2012, 05:10 AM   #5 (permalink)
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How would you strength the side and front part of the neck. That's what I'm trying to figure out. The exercise shown strengthens the back part of the neck connected to the trapezius.

I suppose clenching on the mouth piece automatically strengthen the jaw muscles as well.
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Old 09-17-2012, 11:10 AM   #6 (permalink)
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Rock Jaw kills 3 birds with 1 stone.It targets the jaw and front and back of neck. It targets the front because of the tight clutch on the mouth guard. I always hated the neck exerciser with the strap on the head..that was annoying to use.
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