Here's our weekly collaboration with What is it? blog: first one to guess correctly what is this strange device above wins a Free Neatorama T-shirt!
Game rule is simple: place you guess in the comment, one guess per comment, post no URL please (let others play). You can submit multiple guesses.
For more clue, check out What is it? blog. Good luck, guys!
[Update 9/7/07 - the answer is:
Used for a bookmark and for holding a book open with one hand, called a Thumb Thing.Congratulations Matt #2 who got it right!]