Ya that's right. Take 2 bodies and basically cut them in half. Then attach the left side of one to the right side of the other. And yes they have been on the Discovery Channel quite abit.
ah I've been meaning to say this for awhile now....How do those girls masturbate? O.O
They are lucky for mastubating. It is like jacking with a friend and jacking each other, but they don't have to wait for a friend or sit on a hand till it falls asleep so it feels like a friends, so lucky