The answer is distinctive head dress. But the Sunni also attack Shia market places and take their chances ( no Sunni would ever go to a Shia market). Even the women wear color differences. Let me assure you that religious distraction is averted gaze in the leftist press. Educate yourself and you will see a different picture. It is important to your family.
Thank you so much for taking the time to educate me. Much appreciated.