LIN Necklace Lin is a teardrop -shaped wooden ring with copper tube accent. The chain in nickel steel and clasp closure CARE: Avoid water and other liquids on wooden beads.If marks appear, lightly polish using a soft cloth with a little mineral oil. Alternatively, coconut or linseed oil may be used. Do not store in direct sunlight. Both copper and aluminium can be cleaned using a soft cloth with Brasso.