10 Inventions We Are Using Wrong

We use these objects every day — pens, shirts, coins, phones — without ever questioning why they’re designed the way they are.
But hidden inside many everyday items are secret features, safety functions, and clever design choices that almost no one notices.

In this video, we’re uncovering 10 common inventions you’ve probably been using the wrong way — and the surprising stories behind their designs.

Once you see these… you’ll never look at everyday objects the same again.

In This Video, You’ll Learn:
Why pen caps are intentionally made with holes
What the loop on the back of dress shirts was actually for
The safety purpose of car headrests you’ve probably never used
Why the Heinz “57” label is more than just branding
The real use of the Tic Tac lid
And the hidden iPhone feature almost everyone misses

Intro – The Hidden Purpose Behind Everyday Objects
#1: Why Pen Caps Have Holes
#2: The Loop on the Back of Dress Shirts
#3: Why Coins Have Ridged Edges
#4: The Real Use of the Blue Side of Erasers
#5: Car Headrests Are Also Emergency Tools
#6: The “57” on Heinz Bottles Is a Pouring Trick
#7: The Hole in Pot Handles Has a Purpose
#8: Your iPhone's Hidden Trackpad Mode
#9: The Tic Tac Lid’s Single-Serve Dispenser
#10: The Arrow Next to Your Gas Gauge
Wrap-Up – Design is Smarter Than We Think
Next Episode Preview – The Strange Origins of Everyday Objects