A simple sex move in which one carves open the others body and crawls inside making a home like that of a turtle or snail. This position is unique because you get to penetrate from inside so that after the other is sewed back together with the one inside, it appears that the other has a retractable pp. sometimes, an extra pleasurable
experience will result in the one refusing to crawl back out through the vaginal whole and instead creating a new species of double human that become so happy with pleasure they
evaporate into ultimate beings of
intellect with an unchallenged knowledge of sex. This move can be done with multiple people.