War and Conflict The Vietnam War. pic: 1965. South Vietnam. Jagged spikes embedded in wood, a Viet Cong booby trap aimed at maiming their enemies. The spikes are often coated with poison to increase the misery.

War and Conflict, The Vietnam War, pic: 1965, South Vietnam, Jagged spikes embedded in wood, a Viet Cong booby trap aimed at maiming their enemies, The spikes are often coated with poison to increase the misery (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)

The ancient art of planting punji stakes to disable enemy soldiers was revived by the VC and taught to the NVA. (Rolls Press/Popperfoto via Getty Images)

Rolls Press/Popperfoto via Getty Images