It will not work. It will only depress the ball enough to allow a tiny amount of beer through, in the form of pure foam because there's so much constriction. You might be able to place some sort of spacer on top of the ball before engaging the coupler though.
I'm trying to find some porn filmed by a dog wearing a GoPro. - SharonaZamboni
Hunter, when you get bored, will you put a taco in my elephant's hands for me? - Hat