Barbed tape, or razor wire, is a security barrier made of metal strips with sharp edges, designed to deter unauthorized passage across a boundary. == Use == The first use of barbed wire for warfare was in 1898 during the Spanish-American War, thirty-one years after the first patents were issued in 1867.
Barbed tape, or razor wire, is a security barrier made of metal strips with sharp edges, designed to deter unauthorized passage across a boundary. == Use == The first use of barbed wire for warfare was in 1898 during the Spanish-American War, thirty-one years after the first patents were issued in 1867.
Source: Wikipedia "Razor wire" · CC BY-SA 4.0
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