I am still waiting for my first truck, but I intend to install a bed rack (ladder rack) in the bed, for my canoes. The truck will have an inside the rail tonneau cover, I would like some advice on how these racks fit in the side rails and secured to the bed. I will need to keep the tonneau cover closed when the rack is installed. I noticed that the bed rail covers have hole cut out at the back with inserts but not at the front. What would be required to install a rack?