Thumb harness by ASOS Collection Fine curb chain Filigree floral motif Adjustable chain length Lobster fastening Gold-tone finish ABOUT ASOS COLLECTION Directional, exciting and diverse, the ASOS Collection makes and breaks the fashion rules. Scouring the globe for inspiration, our London based Design Team is inspired by fashion's most covetable trends; providing you with a cutting edge wardrobe season upon season.. Main: 60% Steel, 40% Zinc.. Avoid Contact With Liquids.