Two weeks after the ceremonial investiture of the Crown Prince held for Imperial Prince Atsunaga on October 2, the sword Tsubokiri was given to him from the Imperial Palace; however, at the time of investiture of the Crown Prince held for Imperial Prince Atsuakira, he refused to accept the sword Tsubokiri, and as a result, Imperial Prince Atsuakira did not receive the sword Tsubokiri during a period of one and half years from the investiture of the Crown Prince to his withdrawal from being the Crown Prince.
8月23日(旧暦)の敦良親王立太子式から2週間後、内裏から壺切が授けられたが、敦明親王立太子の際にはこれを授けることを拒み、ついに敦明親王は立太子から辞退までの1年半、壺切を受けることがなかったのである。