Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

Americans pronounce snooze as SNOOZ (/snuz/). You'll hear it in sentences like "I set multiple alarms because I tend to hit the snooze button".
Record yourself saying "snooze" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 4 sounds. Explore each sound's mouth shape and how it's made.
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

Touch the tip or front edge of your tongue to the roof of your mouth behind your teeth. Air flows through your nose.

Round your lips into a tight circle. Let your tongue rest in the middle of your mouth, slightly raised.
Same position as S, but add vocal cord vibration. Feel the buzz.
