Adheres very well to flat surfaces and uniforms (like any suction cup). Otherwise, if the tiles are not really smooth, there are in the package a very em to stick on the surface, the support on which we put the pommel door. But I do not think it works if the tiles have a "relief" too pronounced. For cons, the location for the head would have benefited from more "tapered" for there to be less play and adapt to more models. Still, even when practice.