High Quality Door Reinforcement Hook-- Cast aluminum alloy structure ensures durability and service life. Heavy-duty hooks can hold 500 pounds (230 kg). The raised surfaces make them more robust / non-slippery and, even in wet shoes, more robust and safer. Multifunction Door Pedal-- 1) - easier to access / access to roof; 2) - the sharp end of the door tread can be used as a safety hammer; 3) - when the stop is unstable in rainy weather, it can be placed under the wheel to prevent the wheel from slipping; 4) - When your hands are not free, the door steps can also be used as a temporary phone holder. The Door Frame is Not Damaged-- the basic protective cushion Rotating hexagonal rubber wheel is designed without fear of paint damage at connection points, and the high-density thickened rubber wheels protect the frame from dents and scratches. This is a small portable tool with foldable hook that does not take up space in the car and is very easy to use and can be installed in your door frame in seconds. Easy Roof Access - Simply pick the door lock, adjust the angle of the post, keep the door pedal steady and the pegs are like mini ladders for easy loading and unloading of bags and roof boxes; To facilitate roof cleaning; You can also climb on the roof of the car and take a nice travel photo. The door pedal with latch is a great ladder accessory for the roof rack.