allegory
break
bright
caged
care
clamp
color
concept
control
crack
crime
danger
fragile
freedom
guilty
help
hopeless
hunted
injustice
iron
jail
justice
law
lock
metal
metaphor
negative
nobody
order
pastel
press
pressure
prison
prisoner
problem
right
squash
squeeze
steel
stress
success
symbol
tension
tool
trapped
trouble
vintage
violence
worry