Pull-along duck toys have been a staple nursery toy for generations, designed so ducklings bob and follow when pulled by a string. Recordings of their rhythmic wheels and squeaks began circulating on family video apps and soundboards as a shorthand for cute, orderly following. Creators reuse the clip far beyond toy reviews, pairing it with animals, toddlers and groups moving in single file. Its appeal is its simplicity and instant recognition, turning an ordinary walk into a sweet, funny parade.