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Old 01-15-2013, 07:58 AM   #7
Talker
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I've seen some clips of how to use them but am very wary.

I don't like how the vibrations are transmitted through the body, some gets transferred to the brain.
I don't like the rapid back and forth motion on joints, not sure how they will hold up after long term use.

Maybe the body will react favorably but seems risky to me.
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