So, to make that sound, your tongue will pull back, so the back part of the tongue here is shifting towards the throat a bit, people, ull, ull. And that's how we get that dark sound.
It does, yeah. If you stretch say your clothes for example, you pull them, and if you overstretch them, then you pull them so far that they become too big or they rip and get a hole in them.
Unlike oral jaws connected by a bone joint, these pharyngeal jaws were suspended in muscle, offering them a wide range of motion to turn, tug, and tear on food.
All of these fields tugging on each other essentially makes it harder for light's electric and magnetic fields to generate each other, compared to if they were in a vacuum with nothing in the way.