Put your finger inside your month between your teeth and skin, next to your deepest higher teeth. Put it higher and deeper till it angle differently where you can fell that small cheek bone show in the image that is half blue and connects with somewhere close to the ears. You can touch and push outwards or fowards this place where the zygos is close to the mandible.
The theory behind this face pulling idea is the same as the thumbpulling, but i thought about doing that after thinking in new ways to face pull.