There are Krefeld people.” The framed quote can be spotted in the impressive hallway of Verena Holthaus’s Munich apartment.

Including an all-in-one dog paw scrubber, a sand-removal bag, bedsheet tags, and some other seriously big-brained products.

Promising review: "I love WD-40 products and use them for everything. I spray on shovels to keep dirt or snow from sticking, ...