One (1) custom length of pure copper 2.4mm ball-bar chain and one (1) end connector antiqued with oxidizing solution. The chain and connector are solid copper and are not lacquered.
Length: your choice! If needed, you can easily cut the chain shorter using household scissors, kitchen shears or cutting pliers. Ensure to leave a "ball" on each end for the connector, because the "bar" links do not fit into the connector.