It was preparing milk for breakfast cereal that sparked the idea. One of those clever milk cartons where the act of unscrewing the lid for the first time incises an opening in the foil seal beneath.
A Klemperer Rosette, twelve primordial black holes orbiting each-other’s common barycenter. Induce alternating charges on the singularities, set it spinning with a magnetic field. The Reality Drill.
It worked even better than we expected, slicing through spacetime to open a window to the next universe, and the next, and another, and ever onward. On a clear day you can see all the way to the end of probability.
We are heartbroken to report that we live in the best of all possible universes, after all.