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Old 07-08-2012, 10:44 AM
  #5  
Candace
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Join Date: Jan 2010
Location: Outer Space
Posts: 9,319
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Originally Posted by BellaBoo View Post
The best way to know why the backing is used it to make a string block with backing, then one without it. That was the advice I got when I asked the same question. I always choose backing after trying both ways.
Exactly right.
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