4The fixed heavy-duty strap can effectively prevent shaking.  The luggage rack is composed of 2 partitions.  The main shelf at the top consists of 4 sturdy belts, which can be placed with smaller suitcases.  There are also 7 iron pipes at the bottom as the second partition, storing small items such as shoes and bags.  With a foldable design, the luggage rack can be easily folded in a few seconds when not in use, and it takes up little space.  The anti-loosening screw structure design can withstand repeated folding.