Simply mix white craft glue to water, 3 parts glue to one part water. Paint onto your piece of fabric which should be twice as long and high than your desired size of your bow.Then fold top edge and bottom edge of the fabric so they meet in the center. Fold end edges into the center also ensuring they overlap.Then gather the bow in the middle and tie with a piece of the same fabric which should also be painted with the glue.Fashion the bow to your requirements and leave to dry.