Sa’eed ibn Sa’eed Maqburi reported from his father who on that he came across Sayyidina Hasan ibn Ali (RA) who was praying. He had tied his hair in a knot on his nape. Abu Rafi unknotted it. Sayyidina Hasan (RA) looked at him in anger, but he said, “Continue your salah and do not show anger. I have heard Allah’s Messenger say that this is the devil’s rump.