Grasp loop handles of two facing each other overhand pulleys. Stand between the pulleys with your feet shoulder width apart, bend your knees slightly. 
Lean forward a bit. Bend your elbows slightly. Let the cable to pull your arms to the sides. Your palms should be facing the floor.
Keeping your torso and elbows motionless, slowly pull the handles downward until they meet in front of your hips.
Hold this position for a moment, contracting your chest muscles. Slowly return to the starting position.