Vintage medicine cabinet Against The Grain

One example is the slit found in the back of bathroom medicine cabinets, but they served a purpose: razor blade disposal

Razor blade slot in the back of the cabinet I've lived in multiple homes with these in the bathroom cabinet Just drops the used razors

medicine cabinet razor blade slot Take a second to look inside your medicine cabinet If there's a slit within the cabinet, your home ​might​ have a pile of old razor blades

medicine cabinet with razor blade slot But what about the used razor blades? In the past, older homes might have had a slot in the medicine cabinet for disposing of these blades, but what's the