So you've created your wire wrapped copper masterpiece but something isn't quite right. Its looking beautiful and your wrapping is awesome, but there's no depth to the wire work. Bring on the Patina! There are many ways to add a patina to copper but in this post i'm going to show you how to use Liver of Sulphur. Liver of sulphur is my patina of choice as i think it gives a consistent look time and time again. Start by cleaning your piece. I do this with an old soft toothbrush