490Sahih BukhariSahihحَدَّثَنَا مُسَدَّدٌ، قَالَ حَدَّثَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، أَخْبَرَنِي نَافِعٌ، عَنْ عَبْدِ اللَّهِ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يُرْكَزُ لَهُ الْحَرْبَةُ فَيُصَلِّي إِلَيْهَا.Narrated `Abdullah:The Prophet (ﷺ) used to get a Harba planted in front of him (as a Sutra) and pray behind it.Reference: Sahih al-Bukhari 498 In-book : Book 8, Hadith 145 USC-MSA web (English) : Vol. 1, Book 9, Hadith 477 (deprecated)