A clip for mounting a pad to a vehicle structure, the clip comprising a body having a central base region and a pair of outer arm regions , one outer arm region on either side of the base region, the outer arm regions being movable relative to the base region between: a closed configuration of the clip in which the outer arm regions extend at an angle relative to the base region so that the body is generally U-shaped, with inner faces of the outer arm regions in opposed relation to one another; and: an open configuration in which the outer arm regions are spaced further apart than in the closed configuration, at least one arm region having a pad aperture engaging lug projecting from its inner face , the clip having a locking arrangement configured to hold the clip in the closed configuration, and at least one mounting formation for securing the clip to a vehicle structure when in the closed configuration; wherein the mounting formation comprises at least one feature preventing rotation thereof relative to the vehicle structure; and wherein the mounting formation further comprises at least one feature preventing translational movement thereof relative to the vehicle structure; and in that at least one pad aperture engaging lug comprises at least one anti-rotation feature ; and wherein the locking arrangement comprises corresponding locking formations mounted to the outer arm regions , the locking formations being configured to inter-engage when the clip is in the closed configuration to lock the clip in the closed configuration; wherein one locking formation has a surface forming at least part of a cone, and the other formation comprises an aperture arranged to receive said at least partconical form; and wherein the locking formations are configured to inter-engage with a snap-fit; and wherein the locking formations are moulded onto and into locking formation base parts which comprise anti-rotation features comprising at least four tapered sides . an open configuration in which the outer arm regions are spaced further apart than in the closed configuration, at least one arm region having a pad aperture engaging lug projecting from its inner face , the clip having a locking arrangement configured to hold the clip in the closed configuration, and at least one mounting formation for securing the clip to a vehicle structure when in the closed configuration; wherein the mounting formation comprises at least one feature preventing rotation thereof relative to the vehicle structure; and wherein the mounting formation further comprises at least one feature preventing translational movement thereof relative to the vehicle structure; and in that at least one pad aperture engaging lug comprises at least one anti-rotation feature ; and wherein the locking arrangement comprises corresponding locking formations mounted to the outer arm regions , the locking formations being configured to inter-engage when the clip is in the closed configuration to lock the clip in the closed configuration; wherein one locking formation has a surface forming at least part of a cone, and the other formation comprises an aperture arranged to receive said at least partconical form; and wherein the locking formations are configured to inter-engage with a snap-fit; and wherein the locking formations are moulded onto and into locking formation base parts which comprise anti-rotation features comprising at least four tapered sides . <EOS>