Design Tools Bead Board - A flocked plastic design board with channels for laying out beads. Caliper - A sliding ruler used to measure beads in either millimeters or inches. Loom - A wood, metal, or plastic frame used for weaving beaded pieces.   Bead Spinner - A device that easily strings seed beads onto a "J" shaped needle by spinning the beads in a wooden bowl. Wig Jig - A metal or plastic peg board that is used as a form to create twisted wire shapes and ear wires. Different sizes and shapes of pegs are available. Coiling Gizmo - A manually operated tool that winds wire around a mandrel creating a spring that can be cut into individual jump rings.