DIY Yarn Wall Hang Tapestry Directions Cut your yarn into approximately 2 feet pieces. I cut 5 red, and then 10 pink, 10 orange, 10 yellow, 10 turquoise, 10 blue and 10 purple. Starting in the middle of your stick, create a simple larks head knot with the red yarn. A larks head knot is where you take your piece of yarn and fold it in half.