Musnad Ahmad 1153:2240

Al-Hasan narrated to us, he said: Hammad bin Zayd narrated to us, from Mansur, from Ibrahim, from al-Aswad, from Aisha, she said: It is as if I am looking at myself twisting the garlands for the sacrificial animals of the Messenger of Allah, peace and blessings of Allah be upon him, from the sheep. Then he would not refrain from anything [that a person in ihram is usually restricted from].