These reusable car freshie hangers are made for hanging freshies onto your rearview mirror. When you're ready to replace your old car freshie for a new one, just unclip the old freshie and clip a new one on. Whether your freshie has an eye screw hook or a hanging cord, it can be hooked onto these hangers. For freshies that have a long hanging cord, just simply reduce the length of the cord by tying a knot at the desired length and cut off the excess cord.