Unknown item - snaffle bit?

[JoeCanada42]

Part of a fancy dog leash,
the rotating part so the dog cant twist the chain as to build up tension and snap it?
or a key chain collar for a well trained guard dog like in the movies..

[Sajen]

Originally Posted by JoeCanada42

Part of a fancy dog leash,
the rotating part so the dog cant twist the chain as to build up tension and snap it?
or a key chain collar for a well trained guard dog like in the movies..

Thank you for your interesting thoughts!