San Miguel residents wear lots of Straw Hats.
Some wear Straw Hats for fashion and some wear Straw Hats to ward off the sun.
The Straw Hat is almost a clothing requirement to live in San Miguel.
But San Miguel is full people who want to be individuals and make their hat a selection a statement about who they are. There is almost a competitive quality to it.
Either indecision or a need to be diffferent can cause San Miguel residents to push the Hat Envelop.
And then there are the aliens whose hats are transponders with the mother ship