The Guardian Stick on Safety Lock is an easy-to use, easy-to-install, cost effective childproofing solution for doors inside the home. Tamper-proof, with no screws required to-install, the Guardian Stick on Safety Lock can quickly and effectively provide childproofing solutions for outward swinging doors, cupboards, appliances, liquor cabinets, and more. Spring loaded, it is easy to engage and disengage and provides peace of mind, knowing that children are kept safe from any potential hazards around the home.