Here are some punting technique coaching videos I have done and posted to youtube. They will help you understand how to punt.
What Makes A Punt Go High and Far
How to Punt a Football: The Punters Box
How to Punt a Football: Being a Consistent Punter
How to Punt a Football: Coaching the Punting Ball Contact Spot to Punt a Spiral
How to Punt a Football: Football Punters Training Attitude and Mindset
Football Punters Ball Contact Drill
Do the drills in this order:
Football Punters Quick Feet Drill
Football Punters Quick Feet Leg Swing Drill
Football Punters Quick Feet Up Drill
Football Punters Ball Release Drill
Live On Field Coaching Videos in Short Sequenced Sections
Simply follow the numbers to get the punting coaching in the order I teach it.