What is this concave circle on the side of my milk jug? There's only one, there isn't an opposite shape on the other side.. : r/whatisthisthing

Why Does Your Milk Jug Have a Circle in It? (It's Not Decorative)

Yellow/white ceramic pot. No markings, but the top part (roof?) is removable and opens into a storage compartment. Around 800g/1kg in weight : r/whatisthisthing

Help! Found on a Cape Cod beach, some kind of light metala face of someone maybe lifting a stein on the concave side? : r/whatisthisthing

Those Inverted Circles On Milk Jugs Are Actually Very Important - BroBible

This Is Why Your Milk Jug Has a Circle On Its Side

What are the circles on the side of milk jugs for? - Quora

People Share The Times They Misheard A Word And The Hilarity That Ensued

What are the circles on the side of milk jugs for? - Quora

What is this concave circle on the side of my milk jug? There's only one, there isn't an opposite shape on the other side.. : r/whatisthisthing

This Is Why Your Milk Jug Has a Circle On Its Side

This Is Why Your Milk Jug Has a Circle On Its Side