It’s quicksand!

Check out the Robo-Clam, another great innovation at the Oven Glove.  I especially like the description of how razor clams become such effective anchors.  As they move deeper into the sand at the ocean floor, they jerk and fling their bodies around, loosening the surrounding sand.  This loosening allows more seawater to penetrate the sand, effectively creating an area of semiliquid quicksand around the clam, making the clam itself that much harder to pull out.

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