The world's first belt tension monitor to ensure your children's car seat is installed sufficiently tight. With approximately 80% of all children's car seats installed incorrectly and endangering the child should a crash occur, Belt Buddy is simple to install and operate informing Parents when the seat is sufficiently tight and importantly when the child seat is loose, even throughout the journey. Belt Buddy instantly solves the endemic problem of poor child seat installation. If your toddler is like mine, and likes to unclip his car seat, then this is for YOU.