Tow Bar Mounted Bike Carriers offer a convenient way to carry multiple bikes without the necessity of having to lift them overhead onto roof racks. Some models offer a tilt function so that the boot is still readily accessible.
Yakima FullSwing Bike Rack
The FullSwing towbar bike racks swing away with bikes mounted for vehicle access. You don't need a trip to the mechanic for installation. All the pieces snap easily into place into your towbar hitch.