So far, the best damping for my washing machine

My washing machine is on a their vibrations (shaking) reinforcing floor. An underlaid insulation mat reinforced this once more so strong that I unceremoniously sat down during the final spin cycle on the machine in order to prevent their falling. The attenuation mat ended after all the short hikes. Otherwise everything remained the same. These dampers have the vibrations of the machine significantly reduced. She wanders sometimes even a little. And when they were now standing firmly on / in the dampers, it can be nice and light pushing back. Overall, I am satisfied with this solution. A better result can be achieved self-made probably only by a vibration box brand.