This project is quick, easy and inexpensive. Long sticks make a large design, short sticks make a small design.
Sand ends of sticks to reduce and sharpness.
Lay one stick crosswise over the other. Begin to wrap first color of yarn around one way then the other and make a knot. See illustration A. Turn sticks over so that knot is in the back. Begin to wrap yarn. Just keep wrapping the yarn and soon a pattern will appear.