1, in the consumption of tripe to remove the black velvet on it.

2, buy back the tripe, first soaked in cold water for about 20 minutes, the purpose is to remove impurities floating on the tripe. Then turn the tripe over and use scissors to remove the fat oil on top. Take an appropriate amount of lye and rub it repeatedly, front and back. Be sure to spread the lye evenly. Knead for about three minutes and rinse with water.

3, with coarse salt and flour again coated tripe, repeated rubbing, flour can play a role in taking away the tripe above the role of dirty, coarse salt particles also have this effect. About two or three minutes later, rinse can be washed.