Hadith 961:111
Bahz narrated to us, Hammam narrated to us, from Qatadah, from Anas, from Mu'adh, who said: I was riding behind the Messenger of Allah, may Allah bless him and grant him peace, with nothing between me and him except the back of the saddle. He then mentioned the like of it.
حدثنا بهز، حدثنا همام، عن قتادة، عن أنس، عن معاذ قال: كنت ردف رسول الله صلى الله عليه وسلم ليس بيني وبينه إلا آخرة الرحل فذكر نحوه