This Year's Hottest Jewellery Item - A Must Have! This glittering Swarovski™ crystal ball Shamballa Friendship Bracelet is a wonderful addition to your everyday wardrobe - they look fab layered up too!  On an adjustable black cord with sliding knot to fit most wrists. Shamballa Friendship Bracelets are made by weaving eight goregous clear Swarovski™ crystal balls (0.8 cm diameter) and two black beads onto black cotton cord using a method of crafting called macrame.