Today on our 2008 Mercury Mariner we're going to test fit the Thule Domestique Roof Mounted Bike Carrier, part number th513. To install this product we'll lay the carrier on top of our crossbars and fit the front clamp around the front bar. We'll use the included Allen key to tighten down our clamp and once the front clamp is secured we can put our skewer back in place. We'll fit the rear clamp… see more >