The little bit I currently know is that they're fried pig skins. However, beyond that it's just a bunch of hand-waving on my part. Do you buy pig skin from a butcher? Is there a special type you ...
I love salmon skins, especially when fried or oven roasted. I also always eat the skin when I have a filet. What other fish have deliciously yummy skins that can stand on their own like a salmon ...