Can be locked to reduce the cost at any point before resolution, from when the action is announced to just before the cost is paid. If it is used when announcing an action, and the action is cancelled as played (e.g. Direct Intervention), it is not locked.
101904
Sunset Strip, Hollywood
Master: unique location.
Lock to give all vampires +1 stealth on hunt actions until your next unlock phase. Lock to reduce the cost to recruit a mortal ally or employ a mortal retainer by 1 blood or pool (but never less than 0 blood or pool).
Rulings
Can reduce the cost of an action card even if it is not played as an action (e.g. a weapon played with Concealed Weapon or an Ally with Piper).
Allows to play a card that could otherwise not be afforded, in which case, it must be locked when the action is announced.
