The Pendulum is one of the most commonly used tools in modern witchcraft practice. The pendulum is a very simple tool and one that lets the user tune in to their intuitive powers. The pendulum acts as a receiver and transmitter of information, and moves in different ways in response to questions.
Necromancy is usually accomplished with the help of an intermediary such as an oracle or in modern times a "Medium" but this is not necessary you can do it yourself (please see "Solitary Working" below). Types or styles of Mediumship can differ considerably but they general involve channelling information from a spirit or allowing oneself to be taken over by a spirit (possession) completely or partially. Most mediumship is mental so the medium is in an altered state but less common styles are that of; the "Trance Medium" which requires being in a much deeper state and letting yourself be possessed by a spirit, and also of the "Physical Medium" where physical manifestations occur, such as ectoplasm a strange substance...