shackle
Definitions
A metal link or shackle used to fasten or secure something, typically one of a pair of iron rings connected by a chain used to fasten a prisoner's wrists or ankles.
To restrain or confine someone or something with shackles.
To impose restrictions or impediments on someone's freedom of action.
Examples
The prisoner felt the cold iron shackle tighten around his ankle as he was led to the cell.
She was determined to break free from the shackle of her past and start a new life.