12 Exceptionally Fatal Weapons Made In Prison
When one steps out of an open world into Jail, everything changes, as it's a whole new world for him.
In May 21, 1984 two inmates of Celle, Germany, took a jailer as detainee, shot a bullet-proof glass pane and eventually escaped in a car. This shotgun proved to be their key to freedom which was made entirely out of bedposts. Lead collected from curtain tape made it's charge, AA batteries ignited it's match-heads. (Source)