What unusual MP3 gadgets do you want to buy?

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When reading magazines or surfing the web, I sometimes take notice of MP3 gadgets in forms that I didn't know was existing. I saw MP3s in the form of eyeglasses, watches, ballpen, and others I can't remember right now. With these three that I mentioned, I think I would like to buy the MP3 glasses I saw in one advertising sites and it's worth only about $25. I think it would be cool using it before sleeping or while resting as I didn't have to be bothered by any wirings or holding on to my MP3. I don't advice it though for motorist to use as your street alertness is minimized and it might cause some accident. How about you, do you know some types of MP3's in unusual forms?