Daiso Myeongdong Main Store (43 Myeongdong-gil) and Olive Young Myeongdong Town (53 Myeongdong-gil) are on the same street, a few minutes apart. Daiso's straight brow razor is ₩1,000 for 2 with 12K+ orders and fits any pouch. Blades are safest in checked luggage, so check your airline's rules before you fly.