Sunan At-Tirmidhi

Hadith #1736

Narrated Nafi': That Ibn 'Umar said: ""When the Messenger of Allah (ﷺ) would wear an 'Imamah would hang between his shoulders."" Nafi' said: ""Ibn 'Umar would hang his 'Imamah between his shoulders."" 'Ubaidullah said: ""And I saw Al-Qasim and Salim doing that."" [Abu 'Eisa said:] This Hadith is Hasan Gharib. And there is something on this topic from 'Ali. And this Hadith of 'Ali about this is not correct due to its chain