that the Messenger of Allah ﷺ prohibited ˹doing˺ "sadal" (wrapping garments around oneself and having arms tucked inside during prayer). (Using translation from Aḥmad 8582)
أَنَّ رَسُولَ اللَّهِ ﷺ «نَهَى عَنِ السَّدْلِ وَأَنْ يُغَطِّيَ الرَّجُلُ فَاهُ»