A guide in military uniform at the VC war museum near Saigon demonstrates how to set up certain traps based on the principle of punji sticks.

This particular trap has a wooden frame covered with metal spikes and a folding mechanism, and is referred to as the klipping aronnit trap.

The trap in the photo on the left consists of two wooden planks, each covered with a row of metal spikes on the side.

It also has a folding mechanism and is appositely referred as the window trap.