Sgraffito is a decorative technique used in pottery and wall art, where a surface layer is scratched away to reveal a contrasting color underneath. This method often involves applying a slip, which is a liquid mixture of clay and water, over a base layer of clay. Artists then use tools to carve designs into the slip, creating intricate patterns and images. The term "sgraffito" comes from the Italian word meaning "scratched." This technique has been used since ancient times in various cultures, including Chinese and Italian pottery. It allows for detailed artwork and adds texture and depth to the finished piece.