Uh, the main pin is secured in place by a smaller pin at the bottom if I'm not mistaken !?
So from what I saw in users videos, to open the carrier you need to:
Open handle
Remove small/safety pin
Remove main pin
Remove handle
And you end up with the main pin and handle in the hand that you...
Ok, to balance everything that has been said, here what I don't like with the 4Plus Carrier.
(With the note that I never had one but studied the question of how to carry jerrycan in the back, so not talking about quality but only about design features)
I find the handle design cumbersome, lots...