Learn how to oxidize metals (aka antique copper, silver, brass, gold, etc.) and create patinas with this free techniques form. Get a brief overview of when and how to use Liver of Sulfur, Novacan or Win-Ox, and how to prepare your metals and seal the resulting finishes. Add to your cart or download the FREE printable PDF of this form…. This is more a "tip sheet" than a full tutorial, but it will give you the confidence to pick the right products (most of which include excellent instructions on their packaging).