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Old 02-24-2013, 03:47 PM
  #11  
Prism99
Power Poster
 
Join Date: Dec 2008
Location: Western Wisconsin
Posts: 12,930
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My guess is it's the EZ blue washout pencil:
http://www.amazon.com/Pencil-Washout...dp/B0018N932Y/

Blue and yellow seem to be two colors that quilters run into problems with when it comes to chalk......
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