I-Concertina Razor Wire, ebizwa nangokuthi i-Razor Wire. Njengesithiyo sokuphepha esisebenzayo nesonga imali, kusetshenziswa insimbi yensimbi esongelwe ukusonga ngocingo oluyisisekelo. Njengoba i-secctity rity funct ion yayo ephezulu, iSkyhall Concertina Razor Wire ingavimbela ukungena okuningi ngoba kunzima futhi kuyingozi ukugqekeza. Njengoba i-Concertina Razor Wire iphezulu kwezinye izicingo, ingathuthukisa kakhulu ukuphepha. Enye yezinto ezibalulekile izindleko eziphansi. Idumile emakethe yase-Afrika, futhi iwumkhiqizo othengiswa kakhulu emazweni amaningi nasezindaweni eziningi.