Diamond Shell.

Teach how you will defend the post and stress to your perimeter players to provide ball pressure.

1 passes to 3

This forces 2 to sprint to backside help.

In this frame 1 will exchange with 2. This will force your helpside to communicate and stay disiplined

This alignment mimics a lot of the offensive alignments and cause your helpside to be even more engaged and your defenders on the wing to stop baseline penetration.

Here 1 passes to 3 and 3 will immediately drive baseline