Pretend to chew a large piece of gum up and down and side to side, mouth open.
Squeeze your eyes shut and lift your eyebrows up and down.
Massage your cheekbones, forehead, and temples with your fingers and knuckles.
Knead your brows with your fingertips.
Make sure shoulders are relaxed.
Office Yoga: Simple Stretches for Busy People. Darrin Zeer, pg 42