 Afterwards the Muslims commented on how sharp his sword must have been; Al-Zubayr replied that it had not been sharp but he had used it with great force.After the Muslims had conquered Al-Qamus, the Jewish treasurer, Kinana, was brought to Muhammad, but he refused to reveal where their money was hidden.However, later Muhammad ibn Maslama decapitated Kinana, in retaliation for his brother Mahmud, who had been killed in the battle a few days earlier.