This is a great overview video about Medieval enameling. It’s a very detailed process, but you can watch all the steps in this overview from the Victoria and Albert museum in London. Enameling is the process of fusing glass to metal using different designs. According to the V&A, this particular form of enameling was primarily used for religious items for cathedrals and monasteries–items like chalices, crosses, candlesticks and shrines. Enjoy!
Just click once to view the video: