This is our most interactive photo challenge to date! The premise? Shoot a mystery object, but only part of it. Other JPGers will guess the object--what they think they see--later to be revealed by you. We noticed JPG member Dennis Blauer doing something like this project--how cool!

So here are the rules: The object must be difficult to identify. Don't let the title or caption give anything away! And after a few days and many guesses (especially if somebody guesses correctly), you should reveal exactly what the photo depicts.

Try to be elusive, but make us say "Of course!" once you have revealed your mystery object.

Amit Gupta of Photojojo is guest editing this challenge. Photojojo is a twice-weekly newsletter featuring all sorts of amazingly fun photography projects and ideas, so Amit knows a thing or two about creativity behind the lens.

This challenge was open for one week.

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