I am right handed. I knew this. But I am also apparently right-footed. When I start a flight of stairs, I always lead with my right foot.
In our current AirBnB, the stairs are footed (i suppose that also makes them chiral for you chemistry nerds)- and you must take the first step up (or down) with your left foot.
These stairs are really cool, but climbing them feels awkward. I wonder if it is because I am leading with the “wrong” foot.