The problem with walking droplet is that they have no polarization. However, we can use a pair of walkers, which walk together, to try to see how they walk through a line of pillars at different angles. It should work and produce similar results to results produced by polarized filters with light.
Maybe, it will be possible to make two entangled pairs of walkers and then see what happens to them.
Maybe, it will be possible to make two entangled pairs of walkers and then see what happens to them.