Musannaf Ibn Abi Shayba 16:761

Abu Bakr narrated to us, he said: Abu Mu'awiyah narrated to us, from Hisham ibn Urwah, he said: I saw upon Abdullah ibn al-Zubayr a *qalansuwa* (skullcap) that had a *raq* (a flap/extension), meaning a *bartala* (a hood or covering for the head).