This is a canned whelk from "Yudong," Korea's No. 1 brand, essential for "Golbaengi-muchim (spicy whelk salad)," a classic snack at Korean street stalls and for home drinking. The firm, pleasant texture unique to natural whelk, grown in harsh seas, is irresistible. It's marinated in a secret sweet and savory soy sauce-based seasoning, and