Handmade Cloisonne Y-Necklace(or Bolo tie). Cloisonne is an ancient technique for decorating metalwork objects, in recent centuries using vitreous enamel. The resulting objects can also be called cloisonne or cloisonné. Cloisonné enamel objects are worked on with enamel powder made into a paste, which then needs to be fired in a kiln. Cloisonnekorea focus on the natural beauty of cloisonne through handcraft skill and various color.