If it is a fresh hemlock that has just come out of the water, it is recommended to soak it in cold water and add some edible salt for a few hours, then separate the connected hemlocks, use a slightly harder brush to scrub them, and then use them again. Just rinse with running water.

Extended information:

Mussels (scientific name: Mytilus edulis), also known as Haihong or Qingkou, are cooked and processed into dried products - mussels, which are a Bivalve molluscs with dark brown shells live on seashore rocks.

Reference materials:

Baidu Encyclopedia Haihong