1. First, pour a small amount of white wine into the bucket where the crabs are placed to remove the fishy smell. An appropriate amount is enough.

2. Wait until the crabs are slightly comatose. To smoke them, it is best to use the back of the spatula until they are stunned.

3. This is the best opportunity to start. Quickly grab its back with your hands and lift the crab to the ground. Keep your chin in a horizontal position. This position has the best viewing angle.

4. Put down the spatula temporarily and pick up the brush and brush it hard towards the flat crab belly.

5 , when brushing, you should not think of brushing a crab, but should imagine brushing leather shoes, and do not miss any corner.

6. Check that there is no mud and throw it into another bucket. , rinse them with clean water.