Battlefields XP - Razor Wire 3m Miniature Razor Wire for basing and scenery
Razor Wire is perfect for keeping things apart so whether you are herding zombies or stopping a charge, razor wire is the way to go.
The Army Painter Razor Wire is easy to work with, you can bend it into a mangled heap for that apocalyptic look or roll it tight around your brush to make perfect barricades to protect your soldiers.