A variety of approaches are used to restrain prisoners in differing situations, including metal handcuffs and ankle shackles (and combinations of the two), nonmetallic handcuffs, belt/handcuff combinations, and belts with built-in stun technology
As one means to neutralize lethal threats, law enforcement officers carry firearms as standard equipment. Also, firearms are employed in limited situations in correctional settings. Officers count on the reliability of their firearms (primarily autoloading pistols and shotguns) as well as their ammunition and holsters to perform when called into use.
Office of Justice Programs and the Office of Community Oriented Policing Services. (2001). A resource guide to law enforcement, corrections, and forensic technologies (pp. 1-95) (United States, Department of Justice, Office of Justice Programs and Office of Community Oriented Policing Services). Washington, DC: COPS: Community Oriented Policing Services.