came from understanding a basic principle:
Water drains downward, and air needs space to circulate.
By raising the bottles and positioning them upside down, the rack made both things possible.
It’s a tiny example of practical engineering hiding in an ordinary kitchen object.
Why People Reused Bottles
Reusable glass bottles were once common for many household purposes.
People might wash and reuse containers for milk, homemade drinks, sauces, preserves, or other liquids.
A sturdy glass bottle could remain useful for years.
That meant a simple drying system could become a
