"The Messenger of Allah (ﷺ) prohibited riding (while sitting on) Miyathir."

There are narrations on this topic from 'Ali and Mu'awiyah. The Hadith if Al-Bara' is Hasan Sahih. Shu'bah reported similarly from Ash'ath bin Abi Ash-Sha'tha' in the lengthy Hadith.
Jami` at-Tirmidhi Book 24, Hadith 43
← Previous Hadith That the Prophet (ﷺ) said: "Allah has cursed the woman who artificially lengthens and the woman who seeks to have her hair artificially lengthened, and the woman who tattoos and the woman who seeks tattooed." Nafi' (one of the narrators) said: "Tattooing was on the gums."

This Hadith is Hasan Sahih.

He said: There are narrations on this topic from Ibn Mas'ud, 'Aishah, Asma' bint Abi Bakr, Ma'qil bin Yasar, Ibn 'Abbas, and Mu'awiyah.

Jami` at-Tirmidhi Book 24, Hadith 42 Next Hadith → "The only bed that the Messenger of Allah had which he slept was stuffed with palm-fibres."

This Hadith is Hasan Sahih.

He Said: There are narrations on thus topic from Hafsah and Jabir.

Jami` at-Tirmidhi Book 24, Hadith 44