´It was narrated from Nafi', from a freed slave of Ibn 'Abbas, that 'Ali said:` "The Messenger of Allah [SAW] forbade me from wearing garments dyed with safflower, and from Al-Qassi, and from gold rings, and that I recite Qur'an while I am bowing."
Hadith ReferenceSunan an-Nasa'i / The Book of Adornment / Hadith: 5182