Leica Repair Club the way to load the film in Screw Mount Leicas
As you see, now you know the reason why loading a film is such a hard work, and also you know the part which makes it hard.
So, slide the phone card into the part first, and slide the film leading part between the phone card and the film pressure plate when you load a film.
When you finish it, take the card out. See, it is not so hard.
But if you don't have a phone card, what will you do?