This float you have your child hold in thier legs to help keep the back 1/2 afloat while they work on learning how to swim with arms. You just put it in between the thighs and it helps keep you held up so you can concetrate on arms and chest skills and strength. #rankboosterreview #SPonosored #THeWolfMoon https://www.amazon.com/Wolf-Moon%C2%AE-Float-Swimming-Training/dp/B014ZUKT2E