Razor or concertina wire

[kcdusk]

1. What does razor or concertina wire mean to you? A single looped length? Or 2 or 3 layers of strands?

2. What sort of skill checks do you employ for an individual to work there way through/over wire? What are the chances of injury or becoming tangled up?

3. What sort of skill checks do you employ for a vehicle to work there way over wire? What are the chances of it becoming bogged/tangled up?

4. other modifiers or factors i am considering are time, under fire or not, time taken, night/day time. Are there any others?