Why go out and buy the yarn in the pattern when you can plug in yarn choices from your stash without any fuss? Join expert knitting instructor Kellie Nuss and learn essential skills you can use for all your yarn substitutions. You'll discover what to look for in a yarn besides gauge and how each of these factors affects your final results. Kellie will walk you through yarn weights, how they relate and how to determine the yardage you need when it isn't already given. Wondering about pattern adjustments? You'll find out when to make them, when to rewrite the pattern and how to do both, so you can easily plug in new gauges and fibers. Plus, you'll receive an exciting cowl pattern for the perfect post-class practice project!