 So it's like a stop sign, and you will see that in most places around the world, and it's becoming more and more popular. Presuming there aren't enormous waves, if someone can't swim very well, should they ever go into a sea, say, over their chest, where the water might come over their chest? Well, that's a great question. Let's address it this way. With your group, when you guys are getting ready to go to a park, a pool, or the ocean, open water, assign a water watcher. Assign someone that knows everyone in the group,