Next, grasping its head in her hand, she clamps her lips tightly about the shaft, first on one side then the other, taking great care that her teeth don't hurt you: this is "Parshvatoddashta" (Biting at the Sides). 

Now she takes the head of your penis gently between her lips, by turns pressing, kissing it tenderly and pulling at its soft skin: this is "Bahiha-samdansha" (the Outer Pincers). 

If next she allows the head to slide completely into her mouth and presses the shaft firmly between her lips, holding a moment before pulling away, it is "Antaha-samdansha" (the Inner Pincers). 

When, taking your penis in her hand and making her lips very round, she presses fierce kisses along its whole length, sucking as she would at your lower lip, it is called "Chumbitaka" (Kissing). 

If, while kissing, she lets her tongue flick all over your penis and then, pointing it, strikes repeatedly at the sensitive glans-tip, it becomes "Parimrshtaka" (Striking at the Tip).