This notion is not common but individual. The answer is quite simple: Kamasutra — is the first sex positions reference book In the days, when people hunted mammoths, sex might resemble coupling of wild animals. Apart from visual perception you need to understand clearly what and how to stimulate in this or that pose, with what areas of vagina your penis interacts and what its part. Maybe you want to know how to determine such ones for yourself. But why, how and what advantages does it give? For example, one man can be working on his female partner for half an hour like a wild rabbit, but she will not be satisfied, and another man, who knows constitution of female genitals and understands nuances, can change slightly the angle of penis penetration and in this way he will activate a sensitive area of her vagina which will allow her be satisfied much quicker. Everybody knows that all people differ, men, women — we all are different. In practice there exist a lot of poses, but if you take into account their different variations, their quantity will go to infinite number! Unfortunately, not many people talk and write about it that is why now we will have a good at it and as they say, we will make it loud and simple. All sex positions 2 3 4 5 Sex positions — what do you need them for? But if you have it for pleasure, to get extremely delightful emotions with your beloved, read this information carefully. Knowing and understanding of sex positions is not the top but just a step, but a very important one, approaching you to the real high art of sex. India is a country, which has always had very developed erotic culture and no wonder, that right this country is the motherland of the first encyclopedia of sex — the Kamasutra.