أَخْبَرَنَا سُلَيْمَانُ بْنُ دَاوُدَ، عَنِ ابْنِ وَهْبٍ، قَالَ أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ، عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم طَافَ فِي حَجَّةِ الْوَدَاعِ عَلَى بَعِيرٍ يَسْتَلِمُ الرُّكْنَ بِمِحْجَنٍ ‏.‏

It was narrated from 'Abdullah bin 'Abbas that the Messenger of Allah (PBUH) performed Tawaf during the Farewell Pilgrimage atop a camel, touching the Rukn [1] with a stick that was bent at the top. [1] The corner of the Ka'bah in which the Black Stone is situated. Translation Not Available

Book Ref: Sunan An Nisai Book 8 Hadith 713
Web Ref:  Sunan An Nisai Vol 1 Book 8 Hadith 714