When the Sanmon (abbreviation of Sanmon-ha, a school of Tendai Sect with its head temple at Mt. Hiei) side came to Kyoto carrying a mikoshi (a portable miniature shrine), Yoriyuki blocked their goso (an aggressive tactic used by monks to intimidate persons of power to acquiesce to their demands in the name of a religious authority represented by mikoshi) by securing the Imperial Palace.
山門側が神輿を奉じて入京すると、頼之は内裏を警護させ強訴を阻止した。