These are mentioned in scripture
1. as the insignia, of office: Joseph and Daniel were invested with gold chains. Ge 41:42; Da 5:7.
2. As ornaments: they were placed on parts of the temple; were worn on the neck, and found among the spoils of war: Ex 28:14; Nu 31:50; 2Ch 3:5,16; Cant. 1:10.
3. Used to secure prisoners. Jer 39:7; La 3:7; Ac 12:6-7; 2Ti 1:16; Jude 1:6.
Then on the night that Herod was planning to have him brought [before the court], Peter was asleep, chained between two soldiers, with guards stationed at the jail doors. [Then it happened]: [Suddenly] an angel from the Lord stood beside Peter as a light shone into his cell. [The angel] gently struck his side, waking him up, saying, "Get up quickly." His chains fell from his hands.
These people claim to know God [as Savior], but they deny Him by their actions, so they are detestable and disobedient and unfit for doing anything good.
And angels, who did not remain within [the bounds of] their proper authority, but left their own realm, God has kept in perpetual bondage, under [thick] darkness, awaiting judgment on the Great Day [when they will be punished].