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 Is your number #2 hard?.... Ok, that sounds weird... Feels kinda like I'm playing a dirty version of "Guess Who?". Does it move around? Does it keep the same shape as it moves around?
 #3... that things cool. I still can't quite tell. It's a bivalve. Based on the shell shape  and the hinge I say a clam of some sort. But what blows my mind is that you say it pulls itself around?
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