The four most basic kissing techniques of Kiss:
Hint: Kissing is not just a simple contact between lips. A real kiss requires the use of lips, tongue, and teeth.
◆ Sucking: As long as both parties open their mouths, they can suck on each other; beginners can practice sucking on the other party's lips, with the focus on the strength and control of the suction; after becoming proficient, they can change to practicing sucking on the other party's tongue.