From Sahih Bukhari (Hadith 1706):
Narrated `Ikrima:Abu Huraira said, "The Prophet (ﷺ) saw a man driving a Badana (sacrificial camel). The Prophet (ﷺ) said (to him), 'Ride on it.' He replied, 'It is a Badana.' The Prophet (ﷺ) again said, 'Ride on it!' Abu Huraira added, 'Then I saw that man riding it, showing obedience to the Prophet (ﷺ), and a shoe was (hanging) from its neck.' " Narrated Abu Huraira: From the Prophet: (as above)
Reference: Bukhari 1706