Brainteasers and optical illusions play tricks on the eyes, hiding small details in plain sight.

This new brainteasing challenge from The Smartcard Store, an ID card manufacturer, features dozens of padlocks with just one open lock hiding somewhere in the mix.

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Per The Smartcard Store, the record time for finding the unlocked lock is nine seconds. Can you beat it?

Here's the brainteaser:

padlock puzzle

Foto: Can you find it?sourceCourtesy of The Smartcard Store

Do you see the unlocked lock?

It's the only one with the metal top sticking out.

Any luck?

Keep trying.

Still haven't found it?

The answer is revealed below.

Keep scrolling if you want to see it.

Last chance to turn back!

Here it is:

padlock puzzle reveal

Foto: There's the unlocked lock.sourceCourtesy of The Smartcard Store

The unlocked padlock is near the bottom left-hand corner of the image. Did you find it in under nine seconds?