What does grandpa mean by eating pig's feet?

Grandpa eats pork knuckle rice. Grandparents are the names of Fujian, Minnan, Guangdong and Guangxi. Grandpa and grandma are common names for parents in ancient times, and they are also respectful names for the elderly. In dialect, grandpa is called grandpa and grandma is called grandma. Grandpa eats pig's feet is grandpa eats pig's feet. Pig's foot rice is a classic snack in Huilai County, Guangdong Province, which belongs to Cantonese cuisine.