The Over-Ear Book Light fits over your ear (quelle surprise!), and provides a focused beam of light to allow you to work in dark places without disturbing others.
My friends and I regularly pile into the living room to watch DVDs, and several of them use similar devices in order to knit while the movie is on. As such, I can tell you that these are not only quite effective, but they also make the wearer look like they have joined the Borg collective.
Product Page - [via Coolest Gadgets]
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