Chain
A chain was a series of linked metal loops used for various purposes.

When Sub-commander T'Pol suggested to use stun grenades, detonate them, and use both s to bring the Novans back to , Captain Jonathan Archer asked her what to do then with the Novans – put them in chains? T'Pol then stated that Mister Reed would devise appropriate restraints. This suggestion was dismissed by Archer as Enterprise was no slave ship. ()

In 2266, Lenore Karidian compared the Karidian Company of Players' schedule to a chain, saying that if one link broke, the rest of it would collapse. ()

During his visit to the Shore Leave Planet, Esteban Rodriguez's imagination gave form to a chained Bengal tiger. (TOS: "Shore Leave")

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