Ubaida bin 'Amr al-Salamani عبيدة بن عمرو · The Book of Hajj

That when the Prophet was in Dhul-Hulaifah he ordered that his Budn be marked on the right side of its hump, then he wiped the blood on it and he garlanded it with two shoes, then when it stood up with him Al-baida; he began the Talbiyah.