I wonder if you could safely wire a electric fencer to a vehicle with a remote for deactivation.
With newer vehicles you might fry the computer the first time a lib discharged several thousand volts when the went to vandalize your vehicle...
I honestly see no way to interact with liberals that ends up looking like or even feeling like a winner. Any kind of “man trap” you may devise is a premeditated something under the law. It’s best to just avoid.