Thread: Invisigrip
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Old 12-16-2013, 11:54 PM
  #5  
AudreyB
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Join Date: Apr 2010
Location: Wichita Falls, TX
Posts: 640
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I use and like the Invisigrip. The rulers can still slide a bit, but much less easily. I find it helps a lot and have recommended it to many of my friends.
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