How to make the N sound - relating to the D position: American English Pronunciation

The video tutorial focuses on the pronunciation of the N sound in American English, emphasizing the importance of tongue position similar to the D sound. Exercises are provided to practice switching between D and N sounds, highlighting the role of the tongue's front part. The tutorial advises against excessive jaw movement to avoid trapping the sound. Additionally, a new 8-week conversation course is introduced, offering videos, audio clips, and exercises to enhance pronunciation skills.

What should you do to ensure the front part of your tongue is correctly positioned?

What are the key components of the new course being developed by the teacher?