I tied mine from the dollies directly! The front was easy and criss crossed them from the holes in the dollies and wrapped the rears down from the dollies to the d-rings in back. I mounted the front dollies to the bumper brackets Mount holes though and not the k-frame mount holes.
View attachment 1715021389
View attachment 1715021390
That was a rented trailer at the time but my personal trailer has E-Track that gives more options such as the bonnet straps I use when hauling the car now.