Vertical Double Half Hitch Knot Learn how to work the macramé Vertical Double Half Hitch Knot with this easy-to-follow tutorial. A Double Half Hitch is also often called a Clove Hitch. It creates lines in your projects and can be worked horizontally, diagonally, or in this case vertically. See how to work the Vertical Double Half Hitch Knot Left-Right and then Right-Left in this easy-to-follow video. 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.