It consists of 2 strokes of one arm Fly (right), 2 strokes of one arm (left), and 2 strokes of butterfly.
Double Arms Backstroke
With the flutter kick on your back, bring your both arms straight out of the water, keep your arms shoulder width apart, the entry with your pinkies. When you pull, keep your hands near the surface – keep your fingertips toward the wall the entire time
Descend Stroke Count
Count your strokes on the first 25. On the second 25, try to take fewer strokes. Continue descending the number until you have completed the first 4×25