Originally Posted by Dudesky
^^^You're right, I know everybody does it that way, but I have to argue that there is a right way and a wrong way. Once or twice is fine, but if you tug on that vent duct like Furious did enough times, that plastic tab will break clean. It's the only thing keeping the ductwork in place.
Touché. I just do it the "wrong way," but with care