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) Body Worn Video technology for officers across the service. In 2017, the Northern Ireland Prison Service implemented body worn video, following the success of the PSNI deployment. In 2012, the National Institute of Justice at the United States Department of Justice issued a primer regarding laws, policies, practices, and technology for local police departments to consider. Following The Law Enforcement Officer-Worn Body Camera Act, the state of Illinois became one of the first states to have a comprehensive set of rules for police departments in regards to body camera usage. The Chicago Police Department as well as the mayor of