The Stimson Technique for Closed Shoulder Reduction.
With the patient in prone position, a weight is hung from the wrist to distract the shoulder joint. Eventually, with sufficient fatigue in the shoulder musculature, the joint can be easily reduced.
(From JawaA, RicchettiET. Glenulohumeral instability. In: Court-BrownCM, KeckmanJD, McQueenMM, et al., eds. Rockwood and Greens Fractures in Adults. Vol 1. 8th ed. Philadelphia: Wolters Kluwer Health; 2015:15031571.)