The design and functioning of the trap is simple: 1 or more holes of the size of a mouse are drilled in a block of wood. Just behind the entrance there is a slit where a noose connected to a spring can be pushed through. The noose is held in place by a little string. The mouse, to get to the baite in the back of the trap, has to bite through the string and is strangled.
The trap can be found ranging from 1 to 10 holes. Usually to be seen in mouse trap size but also available as rat trap.
