What is ḥilfa Dhī al-Majāz?

al-Ḥārith ibn Ḥillizah: Ḥujr, Royal Kinship and the Dhū al-Majāz Covenant (verses 56–67)

• The king of Ghassān
• A description of a blind she-camel
• The covenant at Dhū al-Majāz
• A class of Persian armour