arrest
background
bars
behind
bend
block
border
break
broken
cage
cell
closed
concept
confine
crime
criminal
cuffed
durable
escape
freedom
grate
grid
grille
grunge
guilty
illustration
iron
isolated
jail
jailhouse
justice
law
linked
lock
metal
metallic
prison
prisoner
punishment
restriction
row
secure
security
sentence
steel
suspect
transparent
transperancy
vector
white