Lucky Frame teamed up with digital agency Happiness Brussels to make Slow Down, an iPhone app that reminds you to keep your driving speed under control.

It works by monitoring your speed and slowing down the music you are listening to if you go too fast.

Watch the video for an illustration of it in action:

This app got a lot of attention when it was released – read about it on Engadget, AutoBlog, and Wired!

This app was made with freelance wizards Johnnie Walker and Chris Ross.

Download it for yourself on the iTunes store. It’s free!