Pork rind boiled thoroughly with doenjang and aromatic vegetables to completely eliminate any off-odor, then stir-fried until glazed in a spicy-sweet sauce for a chewy drinking snack
Source: YouTube[Yoon Yi-ryeon] 50-Year Cooking Secrets

Pork skin parboiled in soju, then braised in a rice cooker with a sauce made from ssanghwa-tang (Korean herbal tonic) and chunjang (black bean paste) to create a chewy, collagen-rich jokbal-style snack.