Not necessarily only with pig's feet can be frozen, with pig skin is also very good, will be blanched in hot water, remove the skin with a knife to scrape the fat, and then cut into three to four centimeters of the strip, with a bowl of measurement, each bowl of pig skin with two and a half bowls of water (two and a half bowls of water is very hard, three bowls of water will be too soft to eat or hard good), the pig skin and water poured into a stainless steel pot of the right size, add the right amount of salt, if you want to have a little bit of color! Add the right amount of soy sauce can be, put the basin into the steamer with water, open the pot and then continue to steam for an hour on it, and so cooled if there is grease on the surface of the spatula to scrape off the grease, and then heat the jelly to melt and then cooled to get a crystal clear jelly, pig's feet also refer to this practice. This way out of the jelly and delicious and beautiful.