A ballpoint pen and its ink – derived from human sewage:
https://www.dezeen.com/2019/07/09/sum-waste-pen-garrett-benisch-pratt/
A ballpoint pen and its ink – derived from human sewage:
https://www.dezeen.com/2019/07/09/sum-waste-pen-garrett-benisch-pratt/
Ahh… another Poo pen, but not the usual type involving Winnie.
For the first time, saying “this pen is a complete waste!” is a compliment.