The Prophet ﷺ performed Tawaf of the Kaʿba riding a camel, and every time he came in front of the Corner (having the Black Stone), he pointed towards it with something he had with him and said Takbir.  

طَافَ النَّبِيُّ ﷺ بِالْبَيْتِ عَلَى بَعِيرٍ كُلَّمَا أَتَى الرُّكْنَ أَشَارَ إِلَيْهِ بِشَىْءٍ كَانَ عِنْدَهُ وَكَبَّرَ