Protesters formed 'a human chain' [=they stood next to each other with their arms linked] around the ancient tree to prevent it from being cut down.
In the United States, the President as the commander in chief is at the head of the military 'chain of command'.
I thought he really won the lottery but he was only 'pulling my chain'. [=he was only playing a joke on me]
(..) I need to hear about it. Juniper, she... She made a mistake. Hooked up with this guy. He was no good. His name was... Hutchins. His family owns a chain of restaurants down in Texas. Where were you? I was around, but me and Juniper was on the outs. She met him, he sold her on a pack of lies, (..)2012 Mud