It’s also absolutely vital as a manager to put in place a system of psychological safety before making these kinds of asks. If someone feels like they will be held accountable for not accomplishing the task in the allotted time, then everyone is hurt by the exercise, and morale and trust can plummet - to say nothing of the exploration itself being compromised by a panicked context. But done in the right environment, this can be an amazing technique for exploring a design space.