Long ribs are cheaper. Plum ribs are the shoulder blade of a pig, in the upper shoulder area, and the meat from this area is the best piece of meat on a pig. The price is high. Pork keel is the back part of the pig's spine, the closer to the head of the spine the larger piece, the closer to the tail of the spine the smaller, lean meat only a small amount of fat, containing bone marrow. The price is cheap.