The machine takes a spool of wire and methodically bends it into a paper clip shape. Just like an extruder on a 3D Printer, there is a knurled drive wheel with a spring-loaded bearing pinching the ...

Try placing a paper clip on the water as shown. Does it sink or stay up? Unbend a paper clip into a “U” shape. This is your "grabber." Squeeze the grabber and put the ends inside another paper clip to ...