Step between wide dip bars with dip belt around waist. Kneel as close as possible to low pulley and attach cable to dip belt. Stand up and mount dip bar with oblique grip (bar diagonal under palm), arms straight with shoulders above hands. Keep hips and knees bent.
Lower body by bending arms, allowing elbows to flare out to sides. When slight stretch is felt in chest or shoulders, push body up until arms are straight and repeat.
The animation depicts dip bar placed in front of low pull cable. If cable dip machine is available, attach hip harness and step up to dip bar. Also see Cable Triceps Dip.