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 law enforcement shows mixed evidence as to the impact of cameras on the use of force by law enforcement and communities' trust in police. Body worn cameras are often designed to be worn in one of three locations: on the torso, on or built into a helmet, and on or built into glasses. Some feature live streaming capabilities while others are based on local storage. The National Criminal Justice Technology Research, Test, and Evaluation Center is conducting surveys on the body worn cameras to help assist Law Enforcement in purchasing the best quality camera they will use. The survey goes