genizah document of 1121 describes decrees in Baghdad forcing Jews to wear: two yellow badges, one on the headgear and one on the neck. Furthermore, each Jew must hang round his neck a piece of lead weighing [3 grammes] with the word dhimmi on it. He also has to wear a belt round his waist. The women have to wear one red and one black shoe and have a small bell on their necks or shoes….
