You can find this exercise on page 177 of the book Synergistic Golf.
Exercise Type: DYNAMIC STRETCH
Exercise Category: FLEXIBILITY, HEAD - NECK, SHOULDERS
Stand with feet hip distance apart, palms facing toward outer thighs. Inhale and lift shoulders up toward ears. Exhale and return shoulders back down reaching fingertips to floor. Try to increase intensity of movement and distance. Repeat 30x controlled.