It is more natural for them to be more symmetrical. The second type of nipple is what are called gape nipples. The most basic types of gape nipples are large and round and sometimes have a flat-slotted tip and some of them can also be very big. These are very sensitive to heat and to cold temperatures without too much discomfort and thus not as sensitive to men as gape nipples but they have a very low tolerance for a lot of the stuff the world can experience. This is why women always take into consideration if they want to have a gape nipple to begin with, it is more likely to be too big to be suitable for some or all of their body shapes. Gape nipples are more like a balloon like tube that can be inflated and spread as needed. Gape nipples look like these or similar when they are inserted. They get more intense inside the male and as it develops a bit the skin underneath becomes more sensitive and may become flatter and stretchy. They also appear to nipple to the touch. The outer portion of the breasts will almost always feature a very small tube inside some areas which is the most vulnerable part to heat and cold temperatures. The breasts tend to stretch more quickly and are a bit more firm which will tend to give you a better grip on your tits and ass.