Types of anal sex can be: oral stimulation of the anus, using fingers for stimulation and using different objects for stimulation. First of all, anus is a part of the body that is tight and cannot lubricate itself. This is why a person should be careful when inserting something without damaging the walls of this organ. Secondly, the function of the anus is to cast out feces.
For a man, pleasure comes from the stimulation of prostate that is found near the anus. A woman gets satisfaction because anus and vagina are located close to each other.