I don't really know if giant carniverous underground worms have a skeletal system.  Still, I loved the chance to turn a challenge into a labor of love.  Tremors was always a childhood favorite of mine and when the subject "bones" came up, the only thing I could think of was that beak at the dangerous end of a Graboid.

Although I tried to keep the pallette simple and stick to one specific color theme, I feel like i did an okay job with the hue shift.  Pretty generic and predictable I suppose but, for my talent level, I was pretty happy with how it turned out.  I even managed to fit in a little subtle dithering.  Maybe you can find it if you look hard enough.  ;)

So that's pretty much it.  Thank you for spending some time here at the Museum.  Please don't touch the exhibit.  Look with your eyes not your hands.  XD  And have a great time!

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update

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Sorry, I realized I had a few stray pixels that were throwing my color count off... How did those get in there! >:/  Hopefully it's meeting the contest rules now.