ลูบควยใหญ่

Upon exhaling, use one of your fists to vibrate the perineum, while using the other hand at the same time to vibrate the chest.

This will help to arouse him deep inside his very core being.

And receiver, make a loud "Ahh" at the exhale.

The Pillar

Take your index finger and put it on the spot between the eyebrows, while the other hand stays on the perineum.