We have already figured out how to transport large cargo in a passenger car, and found out that the most convenient and versatile solution is a roof rack. However, not every design is legal and safe. We'll tell you what kind of trunk you can buy to transport the luggage you need without risk to the car and its passengers. And without violating traffic rules. How do roof racks work? The main requirement for any trunk is that it must be a reliable "connecting link" between the cargo and the car body. So that, firstly, additional luggage along with the car reaches its destination safely. And secondly, so that neither it nor the trunk itself damages the car during transportation. [...]