Trigger trapping is shooter error much the same as flinching is shooter error...but I don't think they belong in the "brain fart" category.
Nobody "forgets" to pull the trigger in a flinch and nobody "forgets" to release it in a trapping situation.
Clearly, some people have a tendency to clamp down and not reflexively relax enough to reet the trigger on some guns after the first shot, but some guns reset for those people 100% in spite of that tendency. I've already taken a poll while watching people shoot sporting clays for the last 20 years and I know which brand is most often involved.
