When Lord Tachibana no Tamenaka left to become Governor of Michinoku, this was presented from pantry of the Grand Empress Dowager, without any mention of who had sent it.
東路のはるけき道を行かへりいつかとくべき下紐の関
adumadi no
Farukeki miti wo
yukikaFeri
ituka tokubeki
sitaFimo no seki
On Eastern paths
So distant
Will you go, and then return
When, indeed, will you undo
The barrier of Shitahimo – my under-belt again?