At any rate, a faith in an enormous power of incantation that shikiban was believed to possess is occasionally mentioned in historical documentations relating to the esoteric Buddhism and there was a faith such as 'Tohyonyoirinho' in which it was believed that one would receive various benefits by making a tool resembling shikiban used in Onmyodo as a tool of incantation and saying prayers using that tool.
それ故強大な呪力を持つとの信仰が少なくとも密教側の史資料には散見され、「都表如意輪法」等のように、陰陽道の式盤によく似たものを作成し、一種の呪具と見做し祈祷することで種々の利益を得るとする信仰があった。