Popcorn cannons - GIF and videos

Popcorn cannon. Street food, but also used to create puffed rice and other grains in an industrial environment.

<video controls autoplay loop>
<source src="https://s3-us-west-1.amazonaws.com/hmt-forum/popcorn_cannon_street_food.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>

Korean rice puffer. 3:19 video. Boom at 2:54:
https://www.youtube.com/watch?v=SRHlEMlfArA

I am reminded of mklotz's Halitosis Howitzer, and I wonder if a mini popcorn cannon is feasible.

Who would have thought of this? What away to make popcorn.