Knock Knock is a minimal bookshelf created by German-based design firm Hoj Studio. It is typical of our generation to live in constantly changing conditions, and a frequently varied residence. Hoj wanted to design a product that was a solution to the ever-changing lifestyle of our society. (2)

Knock Knock is a minimal bookshelf created by German-based design firm Hoj Studio. It is typical of our generation to live in constantly changing conditions, and a frequently varied residence. Hoj wanted to design a product that was a solution to the ever-changing lifestyle of our society.