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Old 01-03-2012, 06:32 PM
  #2  
deemail
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Join Date: Apr 2010
Location: Lived in San Diego now retired in Eagar, AZ.
Posts: 887
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its for sewing next to a pc of seam that is thicker on one side than the other... like flat fell seams... if it was flying in the air, there would be no tension and most of the sts would skip...
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