manacle
nounUK /ˈmæn.ə.kəl/
US /ˈmæn.ə.kəl/
A metal ring that locks around a person's wrist or ankle.
The prisoner wore a heavy iron manacle on each wrist.
OTHER MEANINGS
2. To put handcuffs or chains on someone.
The guards manacled the prisoner to the wall.
3. Anything that holds you back or limits your freedom.
He felt the manacles of debt around his life.
4. A metal band used to secure a prisoner's arm or leg.
The old dungeon still had a rusted manacle bolted to the stone.