How to build a clay whistle (ocarina) 

Here's how to build a simple clay whistle with ordinary ceramics tools commonly found in an art room. Links to each step are in the description.
0:00 Intro
1:31 Form a ball
3:06 Divide ball in half
3:42 Make 2 pinch pots
5:42 Connect halves together; score and slip
8:45 Mouthpiece intro
9:45 Mouthpiece construction
11:45 Attach mouthpiece
14:51 Sound hole explanation
16:38 Insert popsicle stick
18:20 Carve out sound hole
20:28 Carve the angled ramp
22:30 Clean up the inside