What is "pinkel"

Pinkel is a smoked Kaszanka , a type of sausage which is eaten with kale (Grünkohl). It is eaten mainly in northwest Germany, especially the region around Oldenburg, Bremen and Osnabrück as well as in East Frisia and Friesland. Grünkohl mit Pinkel ("kale and pinkel") is a nourishing food which, in the form of a kale stew, has belly pork and other sausages added to it.