One of the two gauntlets worn on the drivers forearms, showing impressions where the the fastening straps dug into the leather during use. Part of the 3,300-year-old chariot trappings now being studied in the Egyptian Museum in Cairo [Credit: André J. Veldmeijer/SCA/Egyptian Museum Authorities]
A wide decorated strap that probably fitted around the drivers hips, to keep him steady in the chariot [Credit: André J. Veldmeijer/SCA/Egyptian Museum Authorities]
Thanks Fred Nerks.
So I guess the Egyptians invented the seatbelt!