Why Do Some Old Houses Have Slits in the Medicine Cabinet?

The Mysterious Razor Blade Slot razor blade slot in medicine cabinet so where do all those used razor blades go? in the bottom of the wall! and they wait there until some poor future remodeler decides to razor shark slot As medicine cabinets were installed directly into walls, manufacturers added a tiny slot in the back through which shavers could dispose of

razor blade slot history Yes, people are just living with walls stuffed full of razor blades in their homes Little slots were built into the interior walls of bathrooms