Hadith 8:1143
Abu Bakr narrated to us, he said: Waki’ narrated to us, from Sufyan, from Mansur, from Mujahid, who said: They used to cling to what is between the Corner (the Black Stone) and the Door (of the Kaaba) and supplicate.
حدثنا أبو بكر قال حدثنا وكيع عن سفيان عن منصور عن مجاهد قال كانوا يلتزمون ما بين الركن والباب ويدعون