I show and explain how to properly make the 'th' sound. I describe and showcase the embouchure (mouth position), show practices that you can do to improve your pronunciation of this sound, and give a lot of pronunciation examples.

Here's a useful site containing words that you can use to practice.

Words containing th | Words that contain th (thefreedictionary.com)

If you have any questions, please feel free to reach out to me; I'd love to hear from you.