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Old 10-22-2015, 11:10 AM
  #2  
Tartan
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Join Date: Mar 2011
Location: Ontario, Canada
Posts: 41,461
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If it is a bumpy metallic, you need a metallic or top stitch 90/14 needle. If it is a flat thread, it needs to feed in a vertical position so it doesn't twist. If the thread twist in the tension discs, it can break.
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