Barbed Wire On A Background Of White-blue Sky Royalty-Free Stock Photography

Barbed wire, also known as barb wire, less often bob wire or, in the southeastern United States, bobbed wire, is a type of steel fencing wire constructed with sharp edges or points arranged at intervals along the strands. It is used to construct inexpensive fences and is used atop walls surrounding secured property. It is also a major feature of the fortifications in trench warfare as a wire obstacle.