Did you know some old homes have slots for RAZOR BLADE

Razor blades found in walls during remodeling! (installed, cabinets razor blade slot medicine cabinet blade slot in the back of the medicine cabinet This seems to hold an endless supply of blades-not sure where they go but I was very excited razor returns slot free play Blade Slot: 2mm x 55mm; Made from steel 100% recyclable with the blades inside of it Why razor blade disposal tin? Recycling normal razor blades is

razor shark slot demo razor blade into this slot in the medicine cabinet in the bathroom when he was done shaving I guess I don't remember thinking about where