Click here to learn more about our privacy policy. Add it to this page and have it appear immediately. This question really niggled me, too. A few year's later, I feel happy that I can bring the information to you that I could never ask. In fact, I feel duty-bound to pass on what I have learnt about toilets in their many forms.
Graphic descriptions follow.
By the way, if you know me, you probably shouldn't read this either - there's a lot of stuff about me you probably don't want to know. So, you've decided to read on. Good on you. You're obviously made of sterner stuff than those people who ducked out above. You'll finish this article an informed or disgusted individual.