https://www.thriftbooks.com/w/slip-stitch-knitting-color-pattern-the-easy-way_roxana-bartlett/571162/
Slip-Stitch Knitting: Color Pattern the... book by Roxana Bartlett
Buy a cheap copy of Slip-Stitch Knitting: Color Pattern the... book by Roxana Bartlett. This guide to slip-stitch knitting explores multicolored knitting...
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https://www.wise-geek.com/how-do-i-slip-stitch-in-knitting.htm
How do I Slip Stitch in Knitting? (with pictures)
Brief and Straightforward Guide: How do I Slip Stitch in Knitting?
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