How to unlock the trolley box if the password is forgotten1. There is a concealed depression next to the general combination lock. It is designed to set the password. Use a smaller toothpick to push it in, and then use the other hand to turn the wheel regardless of the number. If you hear a sound Yo

How to take the universal wheel on the trolley caseTools needed: pliers1. First open the trolley case and find the interlining cloth inside.2. Lift up the interlining.3. Pull the zipper that leaked after lifting the interlining.4. Remove the lining cloth and leak out the fixed cap of the universal w

How to repair the trolley case1. The lever is brokenWhen the lever cannot be ejected smoothly, do not pull it out or receive it with brute force. Forced force will cause the lever to simply be stuck. When it is stuck, the general user will continue to use brute force. This posture will only make the

What is the difference between single rod trolley case and double rod trolley caseAccording to the number of rods, there are only two types of trolley cases: single rod trolley case and double rod trolley case. However, many people may not know the internal structure of these two trolley cases very