adversity
barbed wire
barricade
border
boundary
camouflage
chainlink fence
closed
clouds
control
crime
crisscross
curled up
danger
darkness
dawn
exclusion
fence
forbidden
grunge
horror
in a row
lack of freedom
limits
metal
outdoors
outline
overcast
pole
power
prison
protection
punishment
razor wire
restricted area
rusty
security
sharp
sky
spiked
spiral
storm
texture
toughness
trapped
twisted
wire
wire mesh