Black Steel Wire, oo inta badan loo isticmaalo mishiinka birta jiifka ah ee tooska ah, mashiinka baallaha toosan ee semi-automatic, mashiinka baallaha toosan, iwm., sida caadiga ah waxaan kugula talineynaa macaamiisha inay isticmaalaan silig bir ah oo nuugista labaad ah, sababtoo ah habka nuugista ayaa ka dhigaysa silig lumay habka sawirka inuu soo kabsado dabacsanaan, ka dhigaysa mid jilicsan, ma fududa in la jebiyo, si sahlan loo maroojiyo.