ONTketen (UNchain) is a collaboration between the social green maintenance company Pro Natura , technology partner Circular Matters and the Livable design platform. Livable Platform provides guidance in the design process in which we explore residual flows together with the employees of Pro Natura. Through the expertise of Circular Matters, we explore new bio-based applications. With ‘UNchain’ we want to shorten the long chain of standard synthetic materials and focus on local residual flows. Thanks to meaningful employment and a creative process, these can be transformed into high-quality biobased solutions.