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How to cook kina
Insert a pair of sharp scissors into the center of the kina's shell.
Wear a pair of thick gloves to prevent getting poked by the spines on the kina. Flip the kina over so that the flat side of the urchin is facing up.
Press the sharp end of your scissors into the center of the shell until you penetrate it. Keep the kina on ice while you store it in the refrigerator.