Introducing the “Smack Attack”, a drum machine that attaches to your steering wheel. The digital percussion kit plays actual drum sounds (cymbal, high-hat, kick, snare, etc.) over top of the music playing from your iPod or iPhone. Though playing Guitar Hero-like games while operating a motor vehicle traveling at a high rate of speed may sound like a terrible idea, the device’s makers claim it will actually keep you more alert (hmmm). However, it does provide the answer to the question anyone who has listened to music in the car has ever asked: “I wonder what this song would sound like with more cowbell” …