Quicken Breath
( Draconomicon, p. 73)[Metabreath]
You can loose your breath weapon with but a thought.
Prerequisite
CON 19, breath weapon,
Benefit
Using your breath weapon is a free action. When you use this feat, add +4 to the number of rounds you must wait before using your breath weapon again.
Special
You cannot use this feat and the Maximize Breath feat on the same weapon at the same time.