Who invented kissing with tongue?

Who invented kissing with tongue? In the famous Kama Sutra text from the third century C.E., the places on the body designated for kissing include lips and the interior of the mouth, suggesting that tongue kissing was being practiced in India by that time [source: The Kama Sutra of Vatsyayana].

In the famous Kama Sutra text from the third century C.E., the places on the body designated for kissing include lips and the interior of the mouth, suggesting that tongue kissing was being practiced in India by that time [source: The Kama Sutra of Vatsyayana].