A club that can be used to make people comply, often a police officer's baton. Although the officer threatened to use his attitude-adjuster, the group of teens didn't seem remotely scared.In the midst of the chaos was a police officer using his attitude-adjuster to try to direct traffic.
attitude-adjuster
n. a police officer’s nightstick; any club. Andy had a black attitude-adjuster hanging from his belt, and I wasn’t going to argue with him.