noun
trammel
TRAM-ul/trˈæmʌl/
A restraint or obstacle that limits freedom.
The taut tether is a trammel on the dog's freedom to pass through the gate.

Etymology
A layered net or binding became a figure for anything that hinders or restrains freedom.
A restraint or obstacle that limits freedom.
The taut tether is a trammel on the dog's freedom to pass through the gate.

A layered net or binding became a figure for anything that hinders or restrains freedom.