Cymbal Mitakas 24k Gold Plated Side Bead for GemDuo Beads. Cymbal™ is a unique, imaginative, and groundbreaking metal component line that has been designed to fit and integrate with the most popular bead working beads in the market. SIDE BEADS™ give metal definition to the edge of a bead bracelet, bead cluster, or bead project. These Side Beads can be used with the GemDuo or DiamonDuo. They can be worked into a project just like the bead itself and will create shine, glitter and pop wherever they are used.