Pierce whenever you like without pain or swelling. Change them for animal ears. Remove them when wearing a motorcycle helmet. Have them attached to your suglasses for an interesting display when you take them off. Insert flashing lights under the ear skin for night time walks. Try plastic, metal or cardboard ears in colours to match your evening dress. Insert an ear shaped mp3 player straight into the socket to do away with ear-phones. Wear just one. Have them on strings, lest they detach whilst observing rare aquatic life from the edge of a tall bridge. Try inflatable ears or pneumatic pumps that make them flutter whenever you eat strawberry icecream.