A mind trick was an ability of the Force that allowed the practitioner to influence and control the thoughts, behavior and actions of the affected, generally to the user’s advantage.

During the High Republic Era, it was more commonly referred to as a mind touch.

The substance that made criminals resistant to Jedi Mind tricks.

Throughout the Clone Wars, many crime lords and underground black market operators took a substance called “Jedi Mind Juice”, which would grant them resistance to all but the most powerful Jedi mind tricks. The substance was a liquid that was secreted by a terrified jellyfish-type creature from the planet Genarius, and sold for exorbitant amounts of the deepest levels of the black market.