I've seen these razor blade slots before but I've never had the chance

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

Pile of used razor blades! Yes, that would be razor blades LOTS of them We were shocked! So, why were there razors in the wall you ask? Well

medicine cabinet with razor blade slot I remember my dad putting his razor blades in the slot in the medicine cabinet 3 yrs Rachel Leanne Singleton If that isn't the household

bingo blitz slots freebies slots in certain medicine cabinets found in homes built before slot labeled: “Used razor blade disposal,” within her medicine cabinet