by Meg Dedolph
Understanding how to substitute yarns in a project successfully is a big part of crocheting and knitting. Many times, you find a project you like and discover that the yarn it was originally created with is no longer being produced. Or it’s not friendly to your budget. Or it’s not friendly to your skin. Or you’d like to use a yarn from your stash instead.
While people have written entire books on how yarns are constructed and how different fibers behave - even about how different kinds of sheep’s wool behaves - there are a few basic rules we like to think about when we’re giving advice.