Communication with spirits is one of the insurance claims in some cases made by a psychic
https://embarkonmysticalrealmsclairvoyant-sessionspc.theburnward.com/exploring-the-various-kinds-of-prophecy-equipment-made-use-of-by-psychics
Interaction with spirits is just one of the insurance claims often made by a psychic, putting the method within a bigger mythological or paranormal context.