A mom from Shanghai messaged us last week. She'd left her stroller in a Busan taxi and spent the next two days carrying her toddler through every subway station in Seoul. By the time she walked into our Hongdae shop, her back was done — but ten minutes later her kid was asleep in a fresh stroller. Stories like this aren't rare. Strollers get forgotten in taxis, damaged on KTX platforms, or come off the airline conveyor belt with a broken wheel. Here's what actually works when