Round glass beads. String seed beads onto an elastic cord, jewelry wire, or thick wire, for example. Ensure that the thickness of the beading needle and the cord or wire match the size of the opening in the bead. When weaving, for instance, you often need to thread two strands of wire through each bead. These small glass beads (also called seed beads) have a long tradition dating back to historical times. The beads are used not only for many different types of Kumihimo jewelry but also to decorate costumes for various cultures around the world. The beads are charming additions to simple bracelets and necklaces. They are also suitable for woven and sewn Kumihimo jewelry or borders.