Dowsing is a form of divination where a pendulum or dowsing rod is made use of by psychics to situate things or energy sources

https://psychicsblogw.huicopper.com/interacting-with-enjoyed-ones-in-spirit-a-psychic-tool-s-journey

Dowsing is a type of prophecy where a pendulum or dowsing rod is utilized by psychics to situate things or energy resources underground.