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
Body worn video (police equipment) all officers who have regular engagement with the public. Other officers will be able to access cameras on an ‘as needed’ basis. A total of 22,000 cameras will be issued. In 2016, the Police Service of Northern Ireland (PSNI) formally introduced body Worn Video technology commencing with Derry City and Strabane District, with Belfast becoming the second District to introduce the technology. A pilot Body Worn Video camera scheme was run during 2014/15, which illustrated the benefits of Body Worn Video. On that basis a business case was submitted to the Department of Justice and funding was secured to purchase