Hold and spend

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Some moves have the player "hold x currency," where the currency is something specific like "Readiness" or "Nerve." The move then says how the player can spend that currency, and what happens when they do. That could be a mechanical bonus (as with Bolster), something happening in the fiction (like with Silver Tongued), or some combo of the two (see Defend).

Hold-and-spend is a good choice for moves that…

… reflect a PC's preparations, like A Safe Place A Safe Place does;
… provide a limited, ongoing bonus, like Anger Is a Gift;
… need to limit how often a PC can use them, such as Stentorian); and/or…
… reward behaviors, like Chronicler of Stonetop does.

Your move might grant a set amount of currency each time it's triggered (see Piety), or a variable amount based on a roll (see Silver Tongued), fictional details (see Prepare a Welcome), or both (see Defend).

Name the currency something unique, or at least something that isn't being used in your game. Include a place to track currency on whatever handout you give the players, usually with a series of s. Consider whether you need to spell out when the player loses all held currency, or if that's obvious from context.