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Feb 28 2007, 2:03 PM EST vmutambuki
 
 edit 28 words added
Change: The part of the bobbin case that projects upward in some machines. It contains a hole for threading the bobbin thread through to increase the lower thread tension.   View changes from previous version. (Word count: 28)
Feb 28 2007, 2:03 PM EST vmutambuki
 
 create No content added or deleted.