Lose opportunity: This could be a GM response that happens when control is not lost but the GM wants someone to lose it.

When (in a specific situation) a player rolls progress and has at least 1 fog, you can cause them to slip, forcing them to reroll their highest die.

Adventure Responses

Strain Yourself

When you're about to roll. Can use any number of times.
Suffer +2 Fatigue. Add +2 to your roll.

Fate Responses

Heed a Portent

When you struggle (?), instead miss and gain 1 on a Pursuit track.
Something additional that is bad (list of options).
(Might make this bespoke for certain backgrounds/paths/complications)