The sharp wings of all kinds of birds can't be eaten: the upper part of the buttocks of chickens, ducks, geese and other birds, where there are feathers, are the places where animals accumulate the most toxins, which can't be decomposed and can't be eaten.

fish in black can't be eaten: there is a thin layer of black skin on both sides of the fish's abdominal cavity, which is the place with the most foul smell and soil, and contains many harmful substances. Eating it is not only bad for human body, but also harmful to human body.

The head of a chicken can't be eaten: the older the chicken is, the more toxic it is. There is an old saying that the head of a chicken is better than arsenic in ten years, which shows the toxicity of the head of a chicken.

A pimple on the pig's neck: When eating, you should remove the yellow and dark red pimple on the pig's neck, which contains a lot of toxins and bacteria, and once used, it will cause diseases.

You can't eat the skin on the chicken neck: don't eat the skin on the chicken neck and duck neck, and don't eat the trachea. The skin contains a lot of cholesterol, which will increase the chance of getting sick.