Aranmula kannadi is a handmade metal-alloy mirror, made in Aranmula, a small town in the state of Kerala. It is a metal-alloy mirror or front surface reflection mirror, eliminates secondary reflections and aberrations typical of back surface mirrors. The exact metals used in the alloy are maintained as a Vishwakarma family secret. Metallurgists suggest that the alloy is a mix of copper and tin. It is polished for several days to achieve the miror's reflective surface. They are considered to be one of the eight auspicious items or "ashtamangalyam" that play a role in the entry of the bride at a wedding venue. These unique metal mirrors are the result of Kerala's rich cultural and metallurgical traditions. They have great historical,traditional and cultural value and are thought to bring good luck. They are produced by one extended family in Aranmula. The origins of the Aranmula kannadi are related to the Aranmula Parthasarathy Temple.