Yusuf ibn Isa told us, saying: Waki’ told us, saying: Al-Rabi’ ibn Sabih told us, on the authority of Yazid ibn Aban, on the authority of Anas ibn Malik, who said: The Messenger of God, may God bless him and grant him peace, used to wear a face covering frequently, as if his garment was the garment of an oil merchant.