The material below is Open Game Content from a 3PP Source
Manacles of Cooperation
Aura faint enchantment (charm); CL 1st
Slot wrist; Price 2,000 gp; Weight 2 lbs.
These tight iron cuffs can fit over the wrists of any Large or smaller humanoid. When placed on a helpless humanoid, they make the captive more docile and compliant. The prisoner never attempts to escape of its own volition and agrees to any reasonable request unless it makes a DC 11 Will saving throw.
Requirements Craft Wondrous Item, charm person; Cost 1,000 gp