Dolphins are some of the best, most graceful swimmers in the sea. Majestic and beautiful, they achieve both speed and form while looping from wave to wave.
Copy their way of swimming and you'll gain similar strength and speed as well. Check out this video to learn how to do the dolphin kick, which involves flailing your legs like a tail while completing the butterfly swim form. The dolphin kick is not easy, but it will truly enhance your swimming skills.