Some quick Model Railway tips on using the CMX track cleaning car. This American made brass HO/OO scale track cleaning car is an effective tool for railway modelers and model railroaders alike. This video uncovers some money saving tips, reveals the secret behind the CMX track cleaning pads, a look at various cleaning fluids we use at oorail, a 3D printed CMX track filling funnel and how to reuse the CMX cleaning pads.