Musnad Abu Ya'la al-Mawsili 149:135

Ibrahim narrated to us, Hammad narrated to us, from Hammad, from Ibrahim, from al-Aswad, from Aisha, who said: "Have you placed us in the position of a dog and a donkey? I have seen myself under my garment, between the hands of the Messenger of Allah (peace be upon him) and the Qiblah, while he was praying. I would dislike to pass in front of him, so I would slip out from under the garment, slipping out."