So THAT's Why Takeaway Coffee Cup Lids Have A Second, Tiny Hole

More goes into the design of a takeaway coffee cup than most of us realise. 

For instance, you might not have known that placing the cover’s drinking spout opposite the paper cup’s “seam” can help prevent leaks. 

And if you’re anything like me, you’ll have no idea why there’s often a tiny hole (separate from the main drinking point) in the lid either. 

Turns out it’s actually a pretty smart safety feature ― and makes sipping from the container easier too. 

How?

According...