Social development, emotional indifference, the same work, the boredom in life, we put this innocence on such a small tool, is a trace of comfort, but also an emotional belonging. The modeling draws on the streamline of the bird's body, which makes the stationery more vital, structural and functional. The handshake pressed is like incitement wings. The function of the pencil sharpener is consistent with the woodpecker's wood pecking behavior, which makes people use it. When it surpasses the function itself and achieves emotional resonance