The Cooler Feet

Flip the cooler over and you will also see two recessed plastic feet near the back of the cooler.

These plastic feet are designed to elevate the back of the cooler. This creates a slight gradient that improves the notebook keyboard's ergonomics.

The plastic feet is also important because it elevates the base of the cooler from the table top. This ensures the fans have enough space to draw cool air.

This is how the cooler looks with the two rear plastic feet extended.

As you can see, the back plastic feet elevates the cooler base off the table top, ensuring sufficient air space for the fans.