Old 12-06-2010, 04:43 PM
  #13  
RkayD
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Join Date: Sep 2010
Location: Oklahoma
Posts: 1,830
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I've used the plastic grip dots and had my ruler move when I put my hand in the wrong place. I've used the sandpaper...and most recently used the Invisigrip..I have to say I was impressed. But it can be a bit pricey.
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