Reminds me of another weapon firing sketch . . . that of Lynx TOW . . .
Now then chaps. One straight line and forward march.
Any wire we came across over the next 3Â½ kms was to be wrapped around your arms and if you still had your arms at the end of the jaunt, then the HWI would come along and demostrate why it was called "cheese wire" . . . oh deep joy, to$$bag.