Anti-choke mug reduces choking that may lead to lung infection – Chulalongkorn University
LifeVac Anti-choking Device - Travel Kit - Enerspect Medical Solutions
Choke Tester for Small Objects Choking Hazards for Children, Anti-Choking Hazard Device for Kids, Home Safety Portable Tube Cylinder Tester for Toys, Snacks or Small Objects - Walmart.com