Two people are needed for this exercise, a sender and a receiver. Both should be successful at working with pendulums.
Exercise: Sensing the Aura Using a Pendulum

Two people are needed for this exercise, a sender and a receiver. Both should be successful at working with pendulums.
A pendulum can be a necklace, a ring, key, watch, or crystal on a string or chain – anything that will swing freely and that is emotionally appealing.