Weird kitchen gadget
You can find all sorts of single-purpose kitchen gadgets on the internet. Some of these things look like they don’t belong anywhere in the kitchen. For instance, this spring-like device that appears to serve no purpose other than to hurt your fingers.
This thing is actually an old-fashion nutcracker. You place a walnut in the middle, pull the red knob upward, release, and voila! You have the delicious, brain-like innards of a walnut ready to eat. Someone probably discovered this tool by complete accident. They probably looked at a spring door stop and thought, “That’d make a wonderful nutcracker!”