Material preparation: water, salt, white vinegar, crayfish, rubber gloves, toothbrush, beer, etc.

1. First, prepare a basin of clean water and pour in some salt.

2. Add some white vinegar and mix well.

3. Pour in crayfish and soak for one hour.

4. Wear rubber gloves and brush crayfish with a clean toothbrush.

5, break off the shrimp head, pinch the middle of the shrimp tail, twist it, pull it out, and pull out the shrimp line.

6. Pour a bottle of beer and soak it for 30 minutes.

7. Rinse with clear water for several times and finish cleaning.