bent iron rods (bent at 90 degrees) and ropes attached to a jar, 1 big leyden jar (capacitor that collects electricity), it would circulate the uneven fluid in the body, like electricity, patients would touch the rods on their problematic areas and produce an electrical circuit, Mesmer would move fluid with his hands to induce crisis, which would reduce the amount of fluid, He thought the subtle fluid that kept people healthy & connected them to everything was like electricity, when one got sick, there was an imbalance & the patient needed to get rid of the extra fluid in order to return to the equillibrium