At the ceremony of 'Wakare no Migushi' which was held when Imperial Princess Toshi, who had been appointed to Saigu by divination, was about to depart for Ise Province, her father, Emperor Sanjo, made her look back at him because of the pain of parting, although neither the Emperor nor she was allowed to do so (according to "Okagami" - the Great Mirror).
当子内親王が斎宮に卜定されて伊勢下向の儀式「別れの御櫛」に臨んだ際、天皇も斎宮も互いに振り返ってはならない決まりであったのを、父三条天皇は別れがたさに思わず振り返らせてしまったという（『大鏡』）。