Champagne Bottle Centerpieces. Remove labels from used champagne bottles. Needle-nosed pliers to cut wire coat hangers to measures the bottom (straight edge) of the hanger + a curved portion. Straighten wire & shape. Make almost closed hook at end to hold bubbles. Thread round, glass opalescent of varied sizes onto the hanger pieces, starting with the smallest and alternating the sizes. Now you have "bubbles" for the Champagne Bottle Centerpiece.