Description:
The
room-entry technique for use when operators must enter the doorway from the
same side for example: If breaching is required.
The "modified" incorporates a combination action of the "crisscross" and the
"buttonhook" entry techniques.
It is performed with one operator traversing across the entry point (fatal
funnel) to an inside doorway position opposite from the outside door facing
where the movement began. The other operator executes a buttonhook maneuver
inside the same-side door facing from his or her original position,
or vice a
versa.

Pros:
-It is a
good way to move as a team, it will be more fluent specially if there are
many operators that are going in the room.
Cons:
-Not as quick as some other dynamic methods
-It takes practice to make the team move at the same time