Mirror armour
Mirror armour (Russian: зерцало, zertsalo, meaning "mirror"; Chinese: 护心镜, hùxīnjìng, meaning "protect-heart mirror"), sometimes referred to as disc armour or as chahār-āyneh or char-aina (Persian: چهارآینه meaning "four mirrors"; whence Kazakh: шар-айна, şar-ayna), is a type of cuirass that was used mainly in Asia and Eastern Europe, including India, Iran, Tibet, Russia, and the Ottoman Empire. It literally translates to "four mirrors" which is a reflection of how these pieces look, resembling four (sometimes more) metal discs or rectangular armour plates.