Roaring Bulls!

Just got inspired to post something about an aborigine communication device called the bullroarer. It doesn't have anything to do with bulls or roaring, and I'm not even sure if it can be called an instrument. But here it is anyway.

So what's a bullroarer? Very simply, it's just a block of wood tied to a length of string. How do you use it? Easy! Just swing it around! But be careful where you swing those things!

Some video clips:



And something funny to lighten things up:



And if those are too small, check this one out: http://www.youtube.com/watch?v=WnVUlx_NegY&feature=related