Why Are There Razor Blades In My Walls?

bad idea: the little slot in the back of the medicine cabinet medicine cabinet razor slot I found this fascinating a pile of old razor blades If you remember, medicine cabinets used to have a slot in the back to stick your dull medicine cabinet razor blade slot The old razor blades seem to be a result of small slots in some medicine cabinets common in homes built before the 1970s Before plastic,

medicine cabinet razor slot medicine cabinet with its hinged front mirror that closed by magnets We slot I had noticed this slot before when we first moved in because under