We may have to just put up concertina wire and tell people to keep out.
I put up a fence with concertina wire and that took care of it.
You have one fence about eight feet tall with concertina wire.
A 10-foot stone wall, topped with broken glass and concertina wire, would probably do the trick.
So we went to the filtration point ourselves, but they wouldn't let us past the concertina wire.
The shooting incensed the 50 prisoners behind the double concertina wire.
American soldiers standing behind concertina wire at the scene of the bombing appeared tense and nervous.
The officer stood a few feet from us on the other side of the concertina wire.
From this height he gazed beyond the concertina wire and over the block wall.
We started putting our concertina wire at least two football fields away to give us more reaction time.