Pork and Duck Sausage

Name: Pork and Duck Sausage
Ingredients: 1 tbsp. whole black peppercorns; 1 tsp. caraway seeds; 1 tsp. whole allspice berries; 1⁄2 tsp. juniper berries; 4 whole cloves; 2 bay leaves, torn into pieces; 2 lb. pork belly, cut into 1-inch pieces; 1 3⁄4 lb. pork shoulder, cut into 1-inch pieces; 6 oz. duck liver, cut into 1/2-inch pieces; 1⁄2 cup white wine; 2 tbsp. plus 2 tsp. fine sea salt; 1 (9-oz.) duck leg, bone removed, cut into 1-inch pieces; 8 3⁄4 oz. skinless duck breast, cut into 1/3-inch pieces; Hog casings, for stuffing