[Product Introduction] Prevent the Trunk Cover from Accidentally Opening during Driving. Compatible with Various Motorcycles Tail Box. [Product Features] 1. It Is Made of High Quality Steel to Ensure Durability and Wear Resistance. 2. Universal Compatibility, Easily Installed on Various Tail Box Models, Providing Flexibility for Users with Different Motorcycle Configurations. 3. Easily Adjust the Cable Length to Ensure a Perfect Fit for Your Specific Needs. [How to Use] 1. Find the Cable Connection Point between the Tail Box and the Motorcycle Frame. 2. Connect One End of the Cable to the Tail Box and the Other End to the Designated Point of the Motorcycle. 3. Adjust the Length of the Cable to Make Sure It Is Tight, but Not Too Tight, Which Can Leave Some Elasticity. 4. After Fixing, Gently Pull the Cable Test Mechanism to Ensure Its Work, Which Will Prevent Tail Box Accidental Opening during Riding, Providing Peace of Mind for Your Travel.