Have you used an i-cord cast off and been a little disappointed that it has no give? I have. First things, first. What is this I-cord that you speak of? Believe it or not, the "I" stands for "Idiot" and was named by the influential Elizabeth Zimmerman. You might recognise it as "French Knitting" that many of us made as children using a bobbin and a needle. I-cord can be made on its own and used for lots of different things but I wanted to discuss the use of it when attached to other knitting. It's most commonly called "applied I-cord" when used in this way. For example, you can finish off a project around the edge with applied I-cord. One of my most recent projects that I completed, Vertices Unite, is finished in this way. The basic idea is that stitches are picked up all the way around the edge you want to finish and then you cast on a few more and use these to knit an I-cord and cast off. Here's an example, once you pick up stitches, c