30. Ali ibn Muhammad has narrated from Sahl ibn Ziyad from Muhsin ibn Ahmad from those whom he has mentioned who has said the following: “I once asked abu ’Abd Allah عليه السلام, if I can perform Salah (prayer) with a black cap. He (the Imam) said, ‘Do not perform Salah (prayer) with it; it is of the clothes of people of the fire.’”