It's like watching a long, pale tongue come out of a shell and start licking the table, right? The truly strange yet fascinating video was posted by YouTube user 100critical who writes:
Well, it seems the "eating" is about to become the "eaten" if that description isn't tongue-in-cheek (or rather clam-in-shell, if you will). Either way, an odd and interesting video to watch.
Considerate clams flavor themselves before being eaten.