Good ol' clam, taking care of its own seasoning. Pass the garlic butter.
UPDATE: This video was posted because it was compelling; the clam obviously is not having an afternoon snack.
As the New Statesman -- and a handful of TDW readers -- explain: "You are watching the execution by torture of an animal which may be almost two centuries old."
What appears to be the "tongue" of the clam is actually its "foot," and it is attempting to make an escape in search of water:
Have you ever rubbed salt in a wound, or poured salt on a slug? The inside of a clam is not much different; touching the salt is not something it likes to do. So it retracts its foot, and sits, waiting for the tide to come in, and hoping it isn't picked off by a seagull.