Sunan an-Nasa'i #1115 · The Book of The At-Tatbiq (Clasping One's Hands Together)

Sunan an-Nasa'iIt was narrated that Ibn 'Abbas said
Sunan an-Nasa'i · Book 12 · The Book of The At-Tatbiq (Clasping One's Hands Together)
Sunan an-Nasa'i · كتاب 12 · كتاب التطبيق
"The Prophet (ﷺ) was commanded to prostrate on seven bones and was forbidden to tuck up his hair and garment
أَخْبَرَنَا مُحَمَّدُ بْنُ مَنْصُورٍ الْمَكِّيُّ، عَنْ سُفْيَانَ، عَنْ عَمْرٍو، عَنْ طَاوُسٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ أُمِرَ النَّبِيُّ صلى الله عليه وسلم أَنْ يَسْجُدَ عَلَى سَبْعَةِ أَعْظُمٍ وَنُهِيَ أَنْ يَكُفَّ الشَّعْرَ وَالثِّيَابَ ‏.‏
Reference : Sunan an-Nasa'i 1115In-book reference : Book 12, Hadith 87