Tatami (Japanese armour) the other related parts of a full suit of Japanese armour. Collapsible head protection such as "" and other collapsible armor are also "tatami" armor; a traditional kabuto could also be part of a tatami gusoku. Tatami armour was lightweight, portable, convenient for transportation, and they were manufactured inexpensively for the ashigaru light infantry. Tatami armours were worn by all samurai classes from the highest class to the lowest class. The higher class samurai wore elaborate armour while the lower class samurai and retainers wore simpler versions. In his book "Arms and Armor of the Samurai: The History of Weaponry
Lamellar armour Avars, other steppe peoples, as well as migratory groups such as the Longobards as it was simple to create and maintain. Lamellar helmets were also employed by Migration Era and Early Medieval peoples. Lamellar is pictured in many historical sources on Byzantine warriors, especially heavy cavalry. It is thought that it was worn to create a more deflective surface to the rider's armour, thus allowing blades to skim over, rather than strike and pierce. Recent studies by Timothy Dawson of the University of New England, Australia, suggest that Byzantine lamellar armour was significantly superior to mail armour. Lamellar armour has