Haven't festive birds had enough done to them without suffering the indignity of having another, slightly smaller bird rammed up their backside post mortem for the enjoyment of glutinous humans? Every year a supermarket brings out the next evolution in this Human Centipede like centre-piece, finding more inventive ways to jam birds inside each other. The strange revelation is that they don't even taste particularly nice: it's too much of a sensory overload to possibly take any enjoyment out of it.