The essence of Shingon practice is to experience Reality by emulating the inner realization of the Dharmakaya through the meditative ritual use of mantra, mudra and visualization, i.e. "The Three Mysteries" (Japanese. Sanmitsu 三密). All Shingon followers gradually develop a teacher-student relationship, formal or informal, whereby a teacher learns the disposition of the student and teaches practices accordingly. For lay practitioners, there is no initiation ceremony beyond the "Kechien Kanjō" (結縁灌頂), which aims to help create the bond between the follower and Mahavairocana Buddha. It is normally offered only at Mount Kōya twice a year, but it can also be offered by larger temples under masters permitted to transmit the abhiseka. It is not required for all laypersons to take, and no assigned practices are given.