Razor blades disposal in bathroom medicine cabinet 1940s

Razor Blades Behind the Walls old medicine cabinet with razor blade slot I've been on a remodel or two where an old medicine cabinet was removed and exposed years of nasty rusty razor blades not something I'd want old time slot machines The video above shows the finding of razor blades inside a medicine cabinet If you notice one of these small slots in your bathroom cabinet

old school slot machines the empty medicine cabinet, the labeled razor slot, the taped-over hole through which I think razor blades were once visible