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
The Absolutely True Diary of a Part-Time Indian a Part-Time Indian"" that the book presents a progressive view of disability. Arnold has what he calls "water on the brain", which would correctly be referred to as hydrocephalus. Crandall points out that Arnold is never held back by his disability, but in fact laughs at himself: "With my big feet and pencil body, I looked like a capital L walking down the road." According to Crandall, the illustrations by Ellen Forney, which are meant to be the cartoons that Arnold draws, represent a new way for the disabled narrator to communicate with the readers: they "initiate further interpretations and