WhizRider– Portable harness-style child restraint system for children 4+. prevents toddlers from sliding under a car’s seatbelt. Durable, small, light, fits in a handbag. Ideal for urbanites using ride-sharing apps and taxis, suburban carpooling, unexpected pick-ups, and family travel. Clips onto seatbelts, easy to install, exceeds U.S. federal safety requirements. indiegogo.com