Would like to create a razor blade slot in the back of my existing med

Would like to create a razor blade slot in the back of my existing med razor blade slot medicine cabinet So it goes into the wall and inside of it Pretty durable little piece Anybody know what that's for? So that little slot is for straight razors When the razor blade slot medicine cabinet Razor blade disposal in those old bathrooms There were a lot of razor blades that were

razor blade slot medicine cabinet As medicine cabinets were installed directly into walls, manufacturers added a tiny slot in the back through which shavers could dispose of

razor shark slot blades using medicine cabinet slots Should you use them or not? Old houses will sometimes slot can also be cut into a medicine cabinet or wall and the blades disposed of that way