You hate the sound of all
those keys on his key CHAIN.
The Big Bang Theory Season 7, Episode 24
Is it, like, a big one?
Like, a CHAIN?
Breaking Bad Season 2, Episode 3
the Citadel to give him back his CHAIN.
Game of Thrones Season 3, Episode 7
As we like to say,
"It's off the CHAIN mail."
The Big Bang Theory Season 10, Episode 17
And once I have my CHAIN,
I'll return to Castle Black.
Game of Thrones Season 6, Episode 6