12. Heinz bottle

Have you ever felt frustrated by the effort required to get ketchup out of a Heinz glass bottle?

You probably tried smacking its bottom, and with much effort got some of the content out.

There is a solution for that problem and it resides on the glass bottle itself! Heinz suggests tapping the “57” engraved on the bottle’s neck, as it is the optimal spot for smoothly dispensing ketchup.

This little-known tip can save you from unnecessary struggles and help you enjoy your condiments more effortlessly.