Kitty Korner's SlideLock hinge

Kitty Korner's SlideLock hinge is a patented hinge invented to solve a very specific issue.  Hiding the Litter box. The biggest challenge of being a cat lover is having to deal with your cat's Litter box.  Litter boxes tend to be rather homely and have a tendency to get smelly.  By cutting off a piece of your doors corner, applying the SlideLock hinge you create a convenient Flap that your cat can use to come and go while you keep the litter box hidden behind a closed door.