When you begin a creative project, spend Momentum and make a Knack Skill roll. For each success earned on this roll you decrease the amount of time required to work on the project by one unit. This is measured in either units of dramatic time (a project that would take a whole session can be downgraded to a scene) or in in-game units of time (years become months, months become weeks, etc.) whichever is more appropriate for the game’s approach.