Dowsing is a kind of prophecy where a pendulum or dowsing rod is used by psychics to situate things or energy resources

https://psychicreaderblogh.cavandoragh.org/the-magical-value-of-angel-number-777-in-your-life

Dowsing is a form of prophecy where a pendulum or dowsing rod is used by psychics to locate objects or power sources underground.