Minecraft wiki entry for Tripwire_Hook, associated text: "Haha, I kinda see how it looks like a doorbell, too. Maybe if you pull it a golem should come out and yell "YOU RANG?" https://dl.dropbox.com/u/36087083/ZScreen/2012-05/28-Monday--0197.486672066.png …" – @Dinnerbone on Twitter, May 28, 2012