Meet the Doorwing: a portable door lock and finger guard that you can use to indoors to lock any door. You can use it to keep your kids and pets out of certain areas. Doorwing lets you adjust the size of opening for your pets and kids. You can install it in seconds with no drilling.
This portable door lock is compact enough to fit in your bag. It adjusts to doors between 1.2 to 1.8 inches. You can unlock the door from either side. You can also fold it out of the way when you don’t need it.