why does pinching/plugging your nose stop a sneeze?

Question

When you feel a sneeze coming and you pinch/plug your nose. Why does the sneeze go away?

In: 4

Answer 1

If it does, it’s probably psychosomatic–that is, it only works because you think it does. Source: I actually pinch the bridge of my nose to *make* myself sneeze. I assume this is also all in my head, but it works.