A slidable clip for mounting on a stud, the slidable clip comprising a hollow block with one or more horizontal resile hook protruded from surface of the hollow block. A slidable block with one or more slot located on surface of the slidable block and one or more vertical resile hook protruded from surface of the slidable block, wherein the slidable block slides inside the hollow block to form an axial hole which is through the hollow block and the slidable block such that when the slidable clip is mounted on the stud through the axial hole, the horizontal resile hook hooks at a desired location on to the slot and the vertical resile hook hooks at a desired location on to the stud.