- Cast on the appropriate number of stitches (usually between 3 and 6) on a double pointed needle
- Without turning the needle, slide the stitches from the left tip to the right tip.
- Knit the first stitch you cast on first, without turning. You may want to pull this stitch tight so you can complete the circle.
- Finish the row.
- Slide the stitches to the right tip of the needle, without turning, and repeat.
Video 1: Knitting an I-cord with 3 stitches - This video illustrates knitting an I-cord starting with three knit stitches.
Video 2: Knitting an I-cord with 4 stitches - The rules are the same, but this video has 4 stitches in the I-cord.
When you were a kid did you ever use a knitting spool? I used to make such long "ropes" that I was planning to use to make a rug. When you're using a 4- or 6- peg knitting spool, you are creating an I-cord! When you use double pointed needles, the reason you knit it flat rather than in the round is that it is difficult to knit in the round with a single stitch on each needle.
In my nostalgia, I found the following knitting spool kits on Amazon.com: