You can't. There will be some sediment in the razor clam, which is usually stored in the viscera of the razor clam. Eating the whole razor clam will not only affect the taste, but also eat more sand into the body, which is not good for health. It is suggested to soak the razor clam in light salt water before cooking, so that the sand can be spit out. However, the sand in the razor clam can't be completely spit out, so it's best not to eat the internal organs of the razor clam when eating.
Meretrix meretrix: Meretrix meretrix, whose scientific name is SINONOVACULA, belongs to mollusk system, Pseudobranchia, Pseudobranchia. The shell is crisp and thin, long and flat, and there is an inclined groove at the top and belly edge of the shell, so it is named SINONOVACULA. SINONOVACULA constricta lives in shallow sea sediments and has two equal shells. The shell is thin and rectangular, and a thin pale green epidermis often grows on the surface. Pork is delicious and is a common seafood. Pork is rich in protein, calcium, iron, selenium, vitamin A and other nutrients. It has delicious taste, high nutritional value and tonic effect.