It was narrated from ‘Amr bin Shu’aib, from his father, that his grandfather said:“The Messenger of Allah (ﷺ) forbade Ihtiba’ (sitting with one's thighs gathered up against the stomach while wrapping one's arm or garment around them) on Fridays, meaning, when the Imam is delivering the sermon.”
Hadith No. 1134
Sunan Ibn Majah
Gradings:
Al-Albani:
Hasan
Muhammad Fouad Abd al-Baqi:
Hasan
Zubair Ali Zai:
Hasan