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
← Previous Hadith I was commanded to prostrate myself on seven bones and not to fold back clothing or hair.

Sahih Muslim Book 4, Hadith 258 Next Hadith → I have been commanded to prostrate myself on seven bones:" forehead," and then pointed with his hand towards his nose, hands, feet, and the extremities of the feet; and we were forbidden to fold back clothing and hair.

Sahih Muslim Book 4, Hadith 260