Half Knot Learn how to work the macramé Half Knot with this easy-to-follow tutorial. The macramé Half Knot is worked with four cords: The two outer cords are the knotting cords and the two middle cords are the knot-bearing cords. Get more details on using this knot and other macramé knots in our stitch guide. This tutorial is made using Bernat Macramé specially designed 5 mm 3 ply macramé cord partially made of recycled cotton.