Weight-loss jewelry? Well, whatever works, I suppose. Balance Bands come in sets of five. You put all five on your right wrist in the morning, then move one to your left wrist for each serving of fruits and vegetables you eat. SlimmerBeads are calorie counting bracelets. One bead equals 100 calories, and you slide them over as you consume. Tali bracelets use a system of beads and charms to track calories, glasses of water, exercise, whatever you’d like to keep track of.