A trigger guard is a safety device on a gun that protects the trigger from accidental or negligent discharge. It is a metal or plastic loop surrounding the trigger that partially or fully encloses it. Most firearms manufactured today come with a trigger guard already installed, but some do not. Trigger guards are designed to prevent unintentional firing of a gun, and are commonly found on handguns, rifles, and shotguns. They can also be added to firearms that don't come with one. Trigger guards are typically made of metal and are designed to fit snugly around the trigger, making it difficult for someone to pull the trigger unintentionally. Trigger guards can also be found on some airsoft guns and paintball guns. Some manufacturers offer trigger guards designed specifically for people with large hands, small hands, or those who use gloves while shooting. Trigger guards can also be customized with various colors or designs to suit personal preference. By using a trigger guard, gun owners can ensure their safety and the safety of those around them by preventing accidental firings and ensuring that the firearm can only be operated in the intended manner.