A connector plug comprises a hook with flexible edges. The hook has a first beveled surface and a second flat surface. A stopper is coupled to the flat surface of the hook by a first barrel portion of the connector plug. The stopper is coupled to a plurality of ridges with flexible edges by a second barrel portion. The plurality of ridges are also coupled to each other by the second barrel portion. A via extends through the connector plug from one end of the connector plug to the other end of the connector plug.