Sunan Ibn Majah, Book 1, Hadith 254 (In-Book) ⓘ
It was narrarted that Jabir bin 'Abdullah said: "When the Prophet walked, his Companions would walk in front of him, and he would leave his back for the angels."
حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنِ الأَسْوَدِ بْنِ قَيْسٍ، عَنْ نُبَيْحٍ الْعَنَزِيِّ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ كَانَ النَّبِيُّ ـ صلى الله عليه وسلم ـ إِذَا مَشَى مَشَى أَصْحَابُهُ أَمَامَهُ وَتَرَكُوا ظَهْرَهُ لِلْمَلاَئِكَةِ .
also referenced under: Hadith 246 (Reference) & Volume 1, Book 1, Hadith 246 (DarusSalam)