shackle
nounUK /ˈʃæk.əl/
US /ˈʃæk.əl/
A metal ring that locks around a person's leg or arm so they cannot move freely.
The prisoner wore a heavy iron shackle around his ankle.
OTHER MEANINGS
2. To limit someone's freedom to act or think.
High costs shackle small businesses from growing.
3. A U-shaped metal piece used to connect parts of a machine or hold a rope.
The sailor fixed the rope to the shackle on the deck.
4. Anything that holds you back from doing what you want.
Fear of failure can be a shackle on your dreams.