Safety Razor Disposal in Medicine Cabinet

There was a slot in the back of the cabinet marked Razor Blades I've lived in several houses with the razor blade slot in the medicine

cabinet - I just started to shave with a double-edge safety razor and would like to put in a slot in the back of my existing medicine cabinet

razor blade wall slot As medicine cabinets started to be installed directly into walls, manufacturers added this slot

razor shark slot free play Years ago medicine cabinets had a slot where safety razor blades were deposited after they were dull The blades would just accumulate between