Hadith #2883 (Sahih al-Bukhari)
Book: Fighting for the Cause of Allah (Jihaad)
Narrator(s): Abu Bashir Al-Ansari
Grade: Sahih

That he was in the company of Allah’s Messenger (ﷺ) on some of his journeys. (The sub-narrator `Abdullah adds, “I think that Abu Bashir also said, ‘And the people were at their sleeping places.”) Allah’s Apostle sent a messenger ordering: “There shall not remain any necklace of string or any other kind of necklace round the necks of camels except it is cut off.”

Source: https://parallelquran.com/hadith/sahih-al-bukhari-2883/