Horizontal tit angle
From Voyeurweb's Wiki about Sex
The horizontal tit angle is an important parameter to describe the breast shape of tits. The hoizontal tit angle is the angle between her tit length and tit base line measured horizontally from the side. In other words: The bigger the horizontal tit angle is, the more her nipples are pointing up. The smaller the horizontal tit angle is, the more her nipples are pointing down.
