Crystal pendulums are tools that can be used to communicate with your soul, your spirit guides, or whoever you feel is surrounding you, giving you divine guidance.
 
Howlite can aid in calming and relieving rage by absorbing your anger or any anger directed at you from others.  As it is a calming stone, used as a pendulum, you can ask questions to help relieve fear of the future.  Howlite can aid with insomnia caused by an overactive mind and help to overcome criticalness and selfishness.