Barbed wire, is a type of fencing wire constructed with sharp edges or points arranged at intervals along the strand(s). It is used to construct inexpensive fences and is used atop walls or rural fencing.
It is designed to cause discomfort for animals or a person trying to pass through or over barbed. Barbed wire fencing requires only fence posts, wire, and fixing devices such as stapels. It is simple to construct and quick to erect, even by an unskilled person.