1. Soak in warm water, which is actually water with the heat equivalent to body temperature. At this water temperature, the flower shell will naturally open and the sand will naturally spit out;

2. Soak in salt water. Salt has a certain dehydration effect on the flower nail, so that the flower nail is short of water, and the flower nail feels particularly thirsty. If you keep drinking water, the sand will be discharged.

3. Add a little sesame oil to the water soaked in the flower nail. The sesame oil has a certain aroma, which causes the flower nail to spit sand;

4. Add 1~2 pieces of pig iron or iron to the water soaked in the flower armor. Iron has a special taste, and the flower armor especially dislikes it, which will lead to the flower armor spitting sand.

Hua Jia is Hua Jia, because Cantonese Hua Jia is homophonic with Hua Jia, Hua Jia is written as Hua Jia. Clam, called mango snail in Hainan, is a mollusk, about 3 cm long, with an oval shell, light brown and purple edge. Living on the shallow sea floor. Shells are slender and oval. Small in size, the shell surface is yellow-brown, and the dark lines on the shell surface are similar to the text but have a concave-convex feeling. The color is dark, the pattern becomes larger, and there are spots or patterns composed of black, brown, dark brown, dense color or reddish brown.