Use a tie down that wraps around the item and the rails.
How to secure luggage to roof rack.
Use at least four straps over.
On each side of the roof you ll see a rack that runs the length of the roof of the vehicle.
Two equally spaced straps running front to back and two side to side across the load will do the trick for most standard shaped items.
Stack items evenly across the roof and in the center of the doors.
These items act as another safeguard to keep your items secure and protected.
Use tie down straps or ratchet straps to secure your luggage to the carrier.
In the case of a naked roof you should be looping the rope through the car through the doors not the windows and around the object on the roof and a towel or blanket should be used to protect the roof of your car from the object.
If you have a roof rack the straps ropes can be looped around the side and cross rails.
With the third option crossbars with side rails you can secure an item to the side rails and run tie downs from front to back securing them to the crossbars.
Cover the entire load with a tarp or netting to prevent things from falling out.
If you have side rails and crossbars the straps can be looped around those.
Lighter goes lower place heavier items on top of lighter items.
Hook the snaps onto the rack and crank the cam buckle to tighten the straps.
Ratchet straps are a cheap and easy way to ensure the highest level of safety when deciding how to secure items on a roof rack.
Another tie down material you should use is netting or a waterproof tarp.
Roof baskets and trays assuming your roof basket or tray is installed begin by loading your luggage into it.
2 take an end of the safety strap and loop it down under a roof bar that runs perpendicular to your vehicle and then back up to the top of the cargo.
Close the box or bag securely and attach it to the luggage rack using cam buckle straps.
You can use a bungee cord to attach items together but do not use a bungee cord by itself to secure your load to the roof rack.