Just put a set in the baby's wrist, one end set in the mother's wrist!
Wrist with Velcro design, easy to wear. Made of products without smell, and built-in wire. This makes the baby more secure. This anti lost strap gives kids independence to roam and explore but keeps them safe simultaneously in crowded places likesupermarket, shopping malls, crowded streets, parks, train stations, or any other public places.