It is said to be a kind of oral transmissions of kanjo (a ceremony to be the successor) to learn enshrining Matarashin which is honzon (principal image of Buddha) of Jogyo Zanmai-do Hall in Hiei-zan Mountain.
比叡山の常行三昧堂の本尊である摩多羅神を祀って修する一種の口伝灌頂といわれる。