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
Sallet with a covering of rich cloth, usually velvet, which was edged in silver-gilt, gilded brass or copper; ornamental decoration in the same metals could be added to the surface of the helmet, allowing areas of cloth to show through. In the period 1450-1460 a distinctive German style of sallet appeared. It was round-skulled but was less curvaceous than the Italian sallet, its most obvious feature was that the rear of the helmet was drawn out into a long tail, sometimes consisting of a number of lames. One characteristic that distinguishes early German sallets from later German sallets up to c.1495,