Yea I see where your coming from micky. Thing is, with the bodygrip, it's already too late. The head is already inside those jaws. An animal instinctively jumps when a trap goes off. Can jump clear of a fenn, if cubby etc is too hIgh, but the top jaw of the bodygrip won't allow that.
Why the majority of traps use the pan trigger.
Anyway, think we're going around in circles here. I know an old boy who traps a lot of mink each winter. Thirty to forty a year, and he'll use nothing only Fenn. I asked him once, would he not try the bodygrips, tube traps etc? He answered, naaa, sur