The custom which the emperor granted Setto to Shogun or an envoy became obsolete at the end of the Heian Period when Kentoushi (a Japanese mission to Tang Dynasty China) was abolished and rebellion in remote regions was reduced.
将軍や大使に節刀を授ける習わしは、遣唐使が廃止され、辺境の反乱が減少した平安時代末期には廃れた。