This exercise makes the group aware of eye contact by forcing them to chose a direction in which to look.
This exercise is best executed with a group of 24 or less, so divide the group accordingly. Circle the group stand close to one another. have the group face the floor. Pick one leader in the group who will count to 3. Upon doing so, all will look up facing either to the left, or right, or straight across. If any eye contact is made, the parties involved should screm. If a scream is heard, the exercise is repeated until no one screams.