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Old 12-16-2010, 07:17 AM
  #6  
hobo2000
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Join Date: May 2010
Location: Boonsboro, MD
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The bumps are to stimulate blood flow in your rear. My BFF uses one ever since her hip replacement. She thinks its the greatest, she wore out the first one watching TV and she has one for her computer chair and for her sewing chair.
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