Car Headrest Hook

I wanted to print a car hook, but after searching for a long time, I couldn't find a suitable one, so I designed one myself. It has screw holes and a locking mechanism. Suitable for most car models on the market; I've tested it on 10 models. I recommend using ABS solid printing or PLAHT printing, which is high-temperature resistant. In summer, the car interior temperature is high, and PLA can easily soften. I used ABS printing. It's okay if you don't hang heavy objects. I printed with 20% infill and 6 walls, and the effect is satisfactory.