First, clean the mud on the surface of razor clam with clear water. Secondly, add three teaspoons of salt to the clean razor clam and knock it ten times. After cleaning, add salt and knock again. Repeat three times, and then wash with water. Then soak the razor clam again in salt water made of three teaspoons of salt for 3-5 hours, and the razor clam will spit out the sediment in its body, and finally wash it with clear water.

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When buying razor clam, you can ask the boss for a little sea salt and dissolve it in clear water to create the taste of sea water. You can drop a few drops of oil when soaking razor clam.

You can add a little vinegar to the water when soaking razor clam, which can kill halophilic bacteria and make it more hygienic to eat.