The PK9™ is a side chair also known as the “Tulip chair” due to its unique shape. The shape is characterized by the three pieces of satin-brushed stainless steel that act as a column, as legs and carriers of the leather seating element. The inspiration for the shape was a sand imprint of his wife’s behind on the beach. Later, during the design process, Hanne Kjærholm sat in boxes of clay to find the most optimal and comfortable solution