مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 1445
Prayer
The Prayer at the two Festivals - Section 2
وَعَنْ عَطَاءٍ مُرْسَلًا أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ إِذَا خَطَبَ يَعْتَمِدُ عَلَى عنزته اعْتِمَادًا. رَوَاهُ الشَّافِعِي
‘Ata’ told in mursal form that when the Prophet (ﷺ) preached he would lean on his javelin. Shafi'i transmitted it.
Mishkat al-Masabih, 1445ضَعِيف (الألباني)