The Apostle of Allah ﷺ set up (sutra), and Abu Bakr said: He implanted iron-tipped spear and said prayer towards its direction. Ibn Abu Shaiba made this addition to it:" Ubaidullah said that it was a spear."
أَنَّ النَّبِيَّ ﷺ كَانَ يَرْكُزُ وَقَالَ أَبُو بَكْرٍ يَغْرِزُ الْعَنَزَةَ وَيُصَلِّي إِلَيْهَا زَادَ ابْنُ أَبِي شَيْبَةَ قَالَ عُبَيْدُ اللَّهِ وَهْىَ الْحَرْبَةُ