Anything that Mohammed commanded has to be followed. For example all Muslim men must grow and beard and shave their mustache because that is what Allah through the prophet commanded. <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=rpSgEr2vnwk" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=rpSgEr2vnwk</a>