This instrument looks innocent enough, but it can send chills up your spine. When you watch a horror film, you will no doubt hear some sweetening to the audio track to enhance the video. To make it more ominous and scary, foley artists use all kinds of methods to bring up emotions. This brings up fear. This, is a waterphone.

Click on the video and you will recognize it's sounds instantly. Just don’t think of sleeping afterwards. Can you think of a way to weave it into music? Have you heard it in a song? How would you like someone following you on a dark night with one of these?