This door has a vertical mail slot : rmildlyinteresting

vertical mail slot   Dan vertical m2 slot key e

When the slot is horizontal, a cover automatically closes by gravity, but if the slot is vertical, that won't happen so that's a technical

Discover CRL's sleek, modern, secure door mail slots & package drops for glass doors Shop CRL, the industry leader in architectural hardware, today  Vertical mail slot in gate Aggressive dog sign Close up of suburban wooden white paint Prominent sign

cara bermain slot gates of olympus It's possible that he will be the Commanders' slot Brown was drafted to be a vertical threat who could come down with contested catches  Spring tention design; Spring keeps flag tightly closed & permits vertical installation; Overall length 10 x 3; opening indoor: 7-1316 x 1-78; center