The art of combat formed part of their education , as was the cakalele .
From the age of sixteen , village boys would study and work for 3 -- 5 years with the kakehan the men 's secret society .
The art of combat formed part of village boys ' education , as was the cakalele .
From the age of sixteen , village boys would study and work for 3 -- 5 years with the kakehan the men 's secret society .