Tool Use principle
Lessons from Sea Otter
Bring the rock.
Rock-Cracked Shell Feeding

Core lesson
A hard thing opens when intelligence brings the right object to the task.
Biological basis
Sea Otters use stones as tools to crack open shellfish while floating on their backs, and they use dexterous paws to handle prey and tools.
Best use cases
Where this lesson tends to be most useful in practice.
Tool useProblem-solvingPractical intelligenceHard tasksCreative methods