A "Double Barrel" typically refers to a type of firearm that has two parallel barrels, allowing it to fire two shots in quick succession. This design is often found in shotguns, which are used for hunting and sport shooting. The double barrel configuration can be either side-by-side or over-and-under, providing versatility in shooting styles. In addition to firearms, the term "double barrel" can also describe a strategy or approach that uses two simultaneous methods to achieve a goal. For example, in marketing, a double barrel approach might involve both digital and traditional advertising to reach a wider audience.