Razor wireRazor belt is a kind of modern safety protection material made of sharp steel blade and high strength steel wire.Barbed tape can be installed on top of walls to intimidate and deter aggressive peripheral intruders, and there are special designs that make climbing and touching extremely dif

Spiked metal perimeter has a significant history in the United States. First protected by Joseph Glidden, spiked metal's best plan remains basically unaltered since 1873, with sharp points contorted around lengths of wire to keep them set up. It turned out to be hugely well known with ranchers durin