The raw bird's nest feet are the base that helps the nest to be fixed to the wall of the house. Bird's nest feet are often thick, and lumpy and are the oldest part of the nest. Because the nest has to secrete a lot of saliva to form a tightly adhered block to the cliff. Therefore, the bird's nest legs are quite crispy and chewy. The raw bird's nest feet save 80% of the time to pick up feathers compared to other types on the market.