Dowsing is a kind of divination where a pendulum or dowsing pole is made use of by psychics to situate objects or energy resources

https://discoverintriguingworldsspiritualconsultationscp.tearosediner.net/the-language-of-spirits-interaction-methods-for-psychic-mediums

Dowsing is a form of divination where a pendulum or dowsing pole is made use of by psychics to locate objects or energy resources underground.