Pendulum Creation and Use Guide Buy one of the pendulum crystals in the Slivers of Serenity store. Find a string or chain suitable (approximate 5-6 inches). Thread the cord through the hole and tie it together. Find a place and position to reach a calm state of mind. To confirm that it works, ask it a simple command such as “Show me a yes” Wait some time and it will begin to sway or circle. Congratulations!