 Well, if you have kids and you have a pool, you know that pool safety is a big job. And while nothing is a substitute for keeping a close eye on your kids around the pool, there is one thing that you can do to help back up that parental supervision. And it's an approach called layers of protection. And it's essentially just that, multiple ways to keep kids away from the pool when no one is watching. And it includes a variety of things, fences, pool covers, even alarms.