"ESPer Counter-Measure. It's a device meant to block us from using our abilities... meaning if there's one in the vicinity, I won't be able to fly, or do anything psychokinetic at all." Naomi frowned, clearly not too fond of the thing, but it probably came in handy for some of the supervisors when they were up against enemy espers. "An ECCM can counteract it, but we don't always have one on hand."