COURAGE-Breath Board / Teaching Aid Of Taking Breath While Swimming

Now products of lifesaving equipment or rescue air cushion available are passively preventing people from drowning. What if people forget to wear them? The best solution is that we can just keep people from getting drown passively and initiatively teach them to swim at the same time.
As a spare-time swimming teacher, I found plenty of people can't swim because of the problem that they don't know how to breathe unhurried. Once you add a floating power beside the face, it can greatly increase the timing to breathe. Then we are able to learn how to swim freestyle stroke. Only "Courage" can bring you courage to step in the door.