Tongue Block Vs Lip Block (Pursing)

OK,

So I decided to play a video where I did a tongue block and then did a lip pursing and actually saw that the sound was very close to each other. I was expecting the sound to be bigger when I tongue blocked.

Mike Caldwell said something about me getting to the point of interchanging them…

So I tried it…Play a phrase tongue blocked, and then a phrase lip blocked (pursing)…

And I was able to bounce back and forth between the two…
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