Starting Position: Hang from a pull-up bar/handles with the arms fully extended and hands in a neutral grip (palms facing each other) or an underhand grip (palms facing the body).
Procedure: Pull your chest to the bar by keeping your legs still and initiating with your shoulder blades. Lower yourself to the starting position and continue for the prescribed repetitions.
Coaching Key: Straighten your arms completely at the end of the rep; at the top, think about driving your elbows back and down.
Feel it: Working your back and arms.