Many of these devices that did not detonate at some point or another remain a very dangerous menace that continues plaguing the country and surrounding areas.
The North Vietnamese forces made extensive use of a variety of homemade booby traps including the old French trou de loup set with Bengali punji sticks.
Their equivalent of the American toe popper was a cartridge trap made from an empty .50 caliber machine gun shell filled with gunpowder or other explosive powder and scrap metal.
[5] When a person steps on the wax top the casing is pressed in to the nail which then blows scrap metal into the soldier's foot.
Its most prevalent use was during the Vietnam War by Vietcong guerrillas attempting to find simple methods to slow the advancing U.S. forces down.