Form and function: The Porsche Design brand values of are perfectly united in the Shake Pens. For many years it has been the flagship product of the Porsche Design Writing Tool collection. The proven shake technology of the famous pocket ballpoint pen is applied here to a full-fledged product: the Shake Pen Big. With a short, quick movement of the wrist, the point appears. Repeat the same movement and the point disappears inside the barrel again. The Porsche Design logo appears on the clip. The Big Stylus version also comes with a touch tip and can be used on smartphone and tablet touchscreens.