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
Laminar armour armour became very rare; however, different combinations of laminar and lamellar armour were very popular. This happened because even though laminar armour was much more reliable than lamellar, laminar armour was not flexible enough, while lamellar armours were very flexible. Laminar cuirasses could be worn with lamellar pauldrons and tassets (worn with separate bracers, greaves and helm). Less common was the opposite combination of lamellar cuirass worn with laminar pauldrons and tassets. Both could be optionally worn with lamellar or laminar cod-piece and loin-guard, or even with mirror plate reinforcement. At the end of 15th century, when laminar armour became