Why TikTokers are finding rusty razor blades behind bathroom mirrors

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 Cabinets The medicine cabinets in my house have a slot for used razor blades Blade Disposal Slot in the Medicine Cabinet Blade

medicine cabinet razor blade slot I live in a late 40's apartment building in LA with the original medicine cabinet intact and it has a slot for razors ( first time I have ever

medicine cabinet with razor blade slot razor disposal slot built into a bathroom medicine cabinet? Was dealing with the dispised blades any more difficult than usual? demolition