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Old 10-28-2014, 01:40 PM
  #2  
Candace
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Join Date: Jan 2010
Location: Outer Space
Posts: 9,319
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Zig zag stitches for knit material, elastic etc. that will stretch when worn are necessary. Using a straight stitch will cause the seam line to break over time. A straight stitch doesn't have the give that a zig zag stitch has.
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