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Old 09-23-2013, 09:30 AM
  #6  
Candace
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Join Date: Jan 2010
Location: Outer Space
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Originally Posted by peacebypiece View Post
Look closely at a serger seam. Only two threads actually hold the seam together. The other two are the overcast on the edges.
Yes, multiple threads are needed for strength, just like I wrote.
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