There is a strange plastic box mounted to the wall in the galley. It folds down to reveal a handle and a blade but looks like it hasn’t been used in d. Full article 👇 💬

This Fold-Down Slicer Was Designed To Work
The design of the fold-down slicer is ingeniously simple. When closed, it appears as an unassuming box mounted against the wall. To operate, one would pull down on the front panel, revealing a handle and a blade. The handle, usually made of plastic or wood, was used to apply pressure, while the blade—typically a serrated circular disk—rotated to slice through food.
Users could adjust the thickness of the slices by manipulating a knob or lever, a feature that allowed for versatility in food