Closure principle
Lessons from Southern Three-banded Armadillo
Close the shell.
Three-Band Ball Defense
Core lesson
Some problems are solved by becoming impossible to open.
Biological basis
Southern Three-banded Armadillos are among the armadillos able to roll completely into a tight armored ball when threatened, protecting soft parts inside.
Best use cases
Where this lesson tends to be most useful in practice.
DefenseClosureProtectionBoundariesNon-chasing solutions