When the penis is between the breasts and the breasts is used as a vagina.
It depends on the woman and her technique. I love both but for the most part fellatio feels the best
It's technical name is mammary intercourse. More commonly known by slang terms.
Yes it is allowed This sex act involves the man placing his ps in the woman’s cleavage and thrusting between her breasts, while the breasts are squeezed around the ps for additional stimulation.
Mammary intercourse, also known as a "breast job" or "tit job," involves stimulating the penis between a person's breasts. To perform it, the person can sandwich the penis between their breasts and move them up and down to create friction. Communication, lubrication, and finding a position that is comfortable for both partners are key to an enjoyable experience.
For vaginal intercourse - The vagina. For anal intercourse - The anus. For oral intercourse - The mouth and hands. For manual stimulation - The hands. For intercrural intercourse - Between the thighs. For mammary intercourse - Between the breasts. For axillary intercourse - In the armpit.
Mammary glands are the source of milk production in female (and some male) mammals
Stingrays don't have mammary glands. Mammary glands are only found on mammals. Stingrays are fish.
Mammary gland consist of glandular tissue and fatty tissue in them. Mammary glands are characteristic of mammals.
mammary alveolus
Mammals have mammary glands like whales
mammary glands produce milk in a females body
No kingdom consists of mammary glands. However, I believe mammals is the answer you are looking for. Mammals are all animals that have mammary glands.