I was commanded to prostrate myself on seven bones and not to fold back clothing or hair.
Sahih Muslim Book 4, Hadith 258
← Previous Hadith The Apostle of Allah (ﷺ) had been commanded that he should prostrate on the seven (bones) and he was forbidden to fold back the hair and clothing. And in the narration transmitted by Abu Rabi' (the words are):" on the seven bones and I was forbidden to fold back the hair and clothing". According to Abu'l-Rabi' (the seven bones are): The hands, the knees, and the (extremities) of the feet and the forehead.

Sahih Muslim Book 4, Hadith 257 Next Hadith → The Messenger of Allah (ﷺ) had been commanded to prostrate on seven (bones) and forbidden to fold back hair and clothing.

Sahih Muslim Book 4, Hadith 259