"Chains. Why do chains hold humans in a horrific trade known as slavery?"
It's not the metal that hold them, it's the yelling; the punishments; more pain that they endure. Soon their minds warp, twist, into thinking there's no sign of escape.
"It's do or die." That's their thought process, whenever they want to disobey; that thought is what is shot through their head, killing off the last sense of hope.
They have been.
But what if a few people were willing to get hurt to fix the broken shards of a broken mirror.