On top of that, a mirror was also believed to have the power of 'Hekija-e (exorcist scroll),' therefore, in some cases, it was buried with sutra into kyozuka.
一方では悪いものを寄せ付けない「辟邪」の威力をもつものとも信じられており、経とともに経塚に埋納される例もみられる。