That fastens down the front tires to the deck and a chain to hook to a rear tie down point.
Have hauled Zeds and roadsters hundreds of km with this type of trailer. Check the ratchet strap tension periodically throughout the trip.
You can buy hardened locking trailer tongue coupler locks if you leave it on the Armada overnight. I put the car cover on at night with a steel cable through the cover grommets and padlock. Remove cover when travelling.