One arm resting on the side of your body, with the other arm you will do one stroke once the arm is gliding in front, you will put it back to recovery position doing this 3 times the 3rd time you will do it fast and you will start kicking explosive. Then change arms.
Useful equipment: paddles, snorkel, fins.
How will it help?
Improve your explosiveness
Coordinate your stroke and kick
Correct hand entry