Against a fence/wall (ala Melbourne) and trapped on the sideline.
The defense is manning up on the dump handler and becoming a more traditional three man cup.
In order to combat this; handler cuts into the cup and a) if beating their man/woman or b) man/woman doesn't respect the cut then there is the quick dish for reset.
(Soz)
Reset.
Alternatively the defender follows and prevents the cut.
The far handler comes across for the dump. (Throw needs to be floaty and out into space)
Continuation/swing is popper coming across.