This is a slower, more complete version of gluing the lungs: expanding into all areas of the chest cavity. It covers the first few movements of pressing into the floor as you inhale. It’s very useful for letting go of tension in the chest.
The next part of pressing the air into the chest cavity in many positions. The slowness invites a more complete softening, yielding, and letting to in the ribs, allowing for much fuller, simpler breathing.