The Book of Prayers (Kitab Al-Salat) 
Muslim :: Book 4 : Hadith 992
Ibn 'Abbas reported from the Apostle of Allah (may peace be upon him): I was commanded to prostrate myself on seven bones and not to fold back clothing or hair.
The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 992
Ibn 'Abbas reported from the Apostle of Allah (may peace be upon him): I was commanded to prostrate myself on seven bones and not to fold back clothing or hair.