Answer: clamshells

AnswerCrossword Clue
clamshellsCLAMSHELL, the shell of a clam; a bucket, as in a dredge, having two hinged jaws
clamshellsThe shell of a clam, formed of two roughly equal valves with a hinge
clamshellsA thing with hinged parts that open and shut in a manner resembling the parts of such a shell, such as a kind of mechanical digger, a portable computer, or a box for takeout food