This The Mentalist screencap contains
swing, schaukel, maschendrahtzaun, and kettenglied.
There might also be
gefängnis, klirren, knast, poky, pokey, jail, jailhouse, gaol, clink, slammer, strafanstalt, strafvollzugsanstalt, justizvollzugsanstalt, and strafrechtliche anlage.