Path-Finding Stick or Direction Pointer in the English dub, is a stick-type gadget that a has a stick and a knob on the top with a left and right sign. It leads the user's way.
When confused in the cross section, erect the stick and follow whichever side it falls on.
The Path-Finding Stick problem is that it can’t detect dangerous things like a bomb.
- This gadget rarely appears but it was an extremely frequently used gadget in the movie Nobita and the Birth of Japan