An Adjustable Lock:Use a Key slotted screwdriver to adjust the slider to move and adjust it to a suitable position.You can fully brake your motorcycle.It is recommended to lock it on the throttle brake handle. Widely Used: Brake suitable for motorcycles with handle diameter less than 1.54inch,and all brands of Mopeds/Scooters/Motorcycle. Easy to Install/Remove: No need to squat or bend over, you only need to stand and use both hands to easily put on or take off the motorcycle within 3 seconds. Shockproof Package: There is a shockproof package, which is anti-collision and scratch-resistant,the material is aluminum alloy, light weight and easy to carry. After Sale:After receiving the item, you can contact us at any time with any questions, we will reply you as soon as possible, until you are satisfied!