A progression to build passing technique.
The ball should be pushed from the waist rather than the player swinging the arm back first.
Push through the ball so your arm finishes pointing at your target.
Don't forget to practice on both hands.
Learning to spin pass is one of the first things young players want to do, it takes hours of practice and older / elite players continue practising throughout their careers. This video shows some simple exercises to do at home
Here are few exercises to help players of all ages improve their spin passing at home, even if there's no one else to practice with!
As always, try to train your weaker hand so you have better options on the field.