What is Psychic Smelling or Clairolfaction?

Clairolfaction, also referred to by the terms clairolfactance, clairosmesis, clear smelling, psychic smelling, psychic scent, or olfactory mediumship, is an intuitive, extra-sensory gift that utilizes the perception of scents, that is not physically present, to receive messages from spirit guides and other spirit entities, verify information with the Unseen, or to gain insight from the past or foresee future events.