“Imperial forces around the world, whether they came to the battle with muskets and cannons or machine guns and fighter planes, have come to fear the bolo knife. From the Spanish colonial occupation of the Philippines to the Mexican Revolution – not to mention the battlefields of World War I and II – the bolo knife has become legendary for its utility and lethality.
In the Philippines alone, where it has its origins, there are many names and variations of the bolo knife for a wide range of uses—almost a different bolo for any different situation and person. To get a handle on the history and importance of this tool and weapon, here are five must-know facts about the bolo knife.”
http://www.warhistoryonline.com/world-war-ii/must-know-facts-bolo-knife.html
(Reproduced under fair-use and with credit)