Wikipedia
Concertina wire or Dannert Wire is a type of barbed wire or razor wire that is formed in large coils which can be expanded like a concertina. In conjunction with plain barbed wire and steel pickets, it is used to form military wire obstacles.
During World War I soldiers manufactured concertina wire themselves, using ordinary barbed wire. Today, it is factory-made.
Usage examples of "concertina wire".
Glancing at the dirt path, Ryan saw blue shirts walking the wooden tripods across the road, trailing glittering coils of the concertina wire to seal off the exit.
To make it even more difficult, angle iron welded with sharpened rebar, saw blades and anything else sharp and metal that came to hand had been piled in front of the embankments and laced with concertina wire.
The only incident so far had a family group killing themselves by defeating a triple concertina wire fence, and detouring around a warning sign, and then triggering an anti-personnel mine when one of the children kicked it .
In the instant that Lyons evaluated the situation, two other forms appeared on the other side of the tangled concertina wire.
His eyes took it in within the space of a heartbeat: the concertina wire at the top, the crappy fence all mangled and twisted by junkies, the skeletons of cars lying on the verge below the far side.
A bunker made of double or triple sandbags would be set up, then encircled with rolls of barbed wire and concertina wire, perhaps fifteen feet across.
The tank slid forward at forty kph, grinding the concertina wire between the guardrail and the vehicle's own hundred and seventy tonnes.
The tank slid forward at forty kph, grinding the concertina wire .
The tank slid forward at forty kph, grinding the concertina wire between the guardrail and the vehicles own hundred and seventy tonnes.
They could barely see the buildings themselves, because the perimeter was protected with a cyclone fence topped by an angled overhang that was ringed with concertina wire.
It appears to be surrounded by an eight-foot chain-link fence topped with concertina wire.
The perimeter fence consisted of two lines of fence topped with concertina wire.
The feeder pipe was festooned with concertina wire to discourage climbing.
A barrier of concertina wire on a tube-steel frame had been swung across the road, and behind it waited an open-topped Cadillac-Gage armored car with an airman ready at the pair of pintle-mounted machineguns.
Their fur was cut by the sharp coils of concertina wire, droplets of clear blood oozing from the wounds.