Without likely into aspects that may cause irritation at best and apoplexy at worst, it should be said that:收纳包则是不压住摇杆的即满足基础需求，剩下的就是外观等情况看小伙伴自己喜欢了，收纳包有贵的和便宜的，看个人喜好Now the metal rails (arrows) are proven with each other with many other metal