X1 and X2 leave from lines and make a couple passes through the neutral zone.
When they get near the blue line they pass to one of the players in the next line (it can be either player).
In this case X3 gets the pass.
X3 passes to X4
X4 joins the rush with X1 an X2 who are regrouping
X1, X2 and X4 attack 3v0
Next to X's (X3 and X5) start drill from other end
Drill runs continuous.

Tags: Passing, Support, Regroup