10 Design Features Of Ordinary Items That Have Surprising Purposes

There are many things we use every day that hide super-helpful and surprising purposes right in plain sight.

For instance, I've always gotten so frustrated with my oven for never being quite right about the temperature setting. Every recipe I would try would end up taking so much longer than the instructions described, but the secret behind the knobs in #10 totally cleared things up and made my life so much easier. I just can't believe I never knew what those screws were actually for!

Now I know that's just one of the many things I've been oblivious about when it comes to the things most of us use on a daily basis. Take a look to see more amazing and surprising purposes for common things that we tend to overlook.

Have you discovered a surprising purpose for something else that we didn't list? Let us know in the comments and don't forget to SHARE the helpful tips with your friends and family!

1. Tiny Holes On Padlocks

padlock.jpg
YouTube / Show Maker

The holes allow water to drain when used outdoors and provide space for you to pour oil into the gears when the lock gets stuck.

2. Holes In Pasta Ladles

pasta-ladle.jpg
YouTube / Rockford's New Country Q98.5

Surprisingly, this hole is designed to help you measure the amount of noodles needed for one serving.

3. Discs Under Bottle Caps

bottle-cap.jpg
Wikimedia Commons / J.smith

Without these discs to keep the carbonation in control, your soda would go flat before it even got to the store.

4. Holes In Tennis Shoes

tennis-shoes.jpg
Jess Catcher

You might think these holes are for ventilation, which is helpful too, but you can also loop the laces through for a snugger fit.

5. Lines On Box Cutters

box-knife.jpg
Wikimedia Commons / Evan-Amos

You can break them off when the blade gets dull for a fresh new (very sharp) blade.

6. Holes In Pen Caps

pen-cap.jpg
Wikimedia Commons / Trounce

Most think these holes are to keep the ink from drying out, but they're actually to prevent suffocation if a child accidentally swallows a cap.

7. Bumps Between Tire Treads

tire-tread.jpg
YouTube / geobeats

The bumps show the minimum height it's safe to drive on, so if your tire tread wears down to match these markers, it's time to replace the tire.

8. Threading On Top Of Childproof Caps

pill-bottle.jpg
Instructables / SFHandyman

Why is there threading on the tops of certain childproof pill bottle caps? These are designed so adults can flip them around and un-childproof the bottle.

9. Holes In Soda Tabs

straw-holder.jpg
YouTube / Vook Media

After opening the can, you can turn the tab around. Food Beast reports that the hole is meant to hold a straw in place for you.

10. Screws On The Backs Of Oven Knobs

oven-knob.jpg
YouTube / mark witt

Using an oven thermometer, you can adjust them to calibrate the knob to accurately reflect the oven's actual temperature.

Did we miss any commonly overlooked purposes of everyday items? Let us know below and be sure to SHARE with your friends!