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Old November 24, 2007, 10:26 PM   #10
Junior member
Join Date: April 21, 2006
Location: New Orleans
Posts: 2,450
Seems the 'electronics' consist of a small metal cylinder with a tornado-looking spring in the middle. A strong sonic pulse would make the spring jiggle and hit the metal cylinder, cutting the sound.

That's terrible. Thanks for the info, I'll stay well away from those.
oldbillthundercheif is offline  
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