It's the body of the car, yo.
You can you cut out pieces of boards or flat peices of metal or even sticks!
you dont
It is better to use small trap cars as the larger ones can prevent no use to trapping a mouse the small traps are much quicker to get the mouse/rats.
The pulley on a mouse trap car acts as an extender (rods balloons etc.) , allowing the force of the pull to be stronger than one without a pulley based on it's positioning. There are 4 ways to use a...