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

Americans pronounce cases as KAY-suhz (/ˈkeɪsəz/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "He specializes in family law and handles divorce cases".
Record yourself saying "cases" and play it back. The mic stays on your device — nothing's uploaded.
2 syllables, 5 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
The textbook way isn't wrong — it's just not how anyone actually says it.
Stress falls on the first syllable, not the others. Stretch KAY — keep everything else short and quick.
Don't pronounce the first syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.