Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.

Americans pronounce case as KAYS (/keɪs/). You'll hear it in sentences like "The chaotic character caused a crack in the case" or "The burden of proof lies with the prosecution in this case" — more examples below.
Record yourself saying "case" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.

Start with your jaw slightly open and the front of your tongue forward and slightly up. Glide upward, your jaw closes a little more and your tongue arches higher toward the roof of the mouth.
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.