1. 手铐;脚镣;镣铐
Manacles are metal devices attached to a prisoner's wrists or legs in order to prevent him or her from moving or escaping.

2. 给（囚犯）上手铐（或脚镣）
If a prisoner is manacled, their wrists or legs are put in manacles in order to prevent them from moving or escaping.

1. shackle that consists of a metal loop that can be locked around the wrist
usually used in pairs

Synonym: handcuffcuffhandlock