You are correct,.nothing,.and nobody is infallable,.however,.IF you set the Kania in the usual manner,.(as opposed to clipping it to fences, sheds,.etc,...upside down,..the open end facing towards the sky,..as some folk insist on doing... ..)
Well yes,.there is every likelihood of a foul catch....
The Kania needs to be set LIGHTLY,...and on a fine tickle,..so that the moment a target species touches the bar with its back,..the trap will fire...However,.when I was demonstrating this trap a few years back at the NPTA to the Pest Control industry I did notice that several guys were simply pus