In view of the locking problem of scooter portability without locking point, common locks in the market often have the defects of insufficient strength or inconvenient installation. This product innovatively adopts the composite design of "U-lock + steel cable", combined with the subversive fixing method, which significantly improves the reliability and provides an elegant and convenient storage experience. In addition, it can also be mounted heavy objects, to achieve a lock multi-use, synchronous lock helmet, bags and other accompanying items. Because of ingenious design to obtain a utility model patent (CN 202420362075.3)