There is a lot of sediment on the surface of razor clam, so surface washing should be cleaned with clear water first. Add three spoonfuls of salt to the cleaned razor clam, and toss the salted razor clam several times to make the razor clam spit out the sand as clean as possible. Put the overturned razor clam in a leaky basket, soak it in clean water, put two chopsticks in the basin, don't let the small basket sink, put the leaky basket full of razor clam on it, and then drop a few drops of sesame oil. After 2-3 hours, you will see a lot of dirty things at the bottom of the basin. Wash the razor clam with light salt water repeatedly for several times, cut the back of the razor clam with a knife, and then squeeze it by hand to remove the internal organs of the razor clam.

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