9 different hidden handcuff keys you NEED to know about

By Forever Police

Published on January 2, 2022

Hidden handcuff keys are often bought by thugs too.

They are designed to avoid detection so the owner can unlock their handcuffs and escape.

This matters for police officers and other security personnel.

For your security, you should know what to look out for.

Here are some real-life examples:

What is a concealed handcuff key?

These are cuff keys meant to be easy to hide and avoid detection.

The reason you would have a hidden handcuff key is to be able to unlock the handcuffs if you’re cuffed by someone unwillingly.

It gives you a chance to escape.

So the product itself is a great idea. If used by victims of crimes.

The downside is that thugs buy it too.

Check out this press release from Humboldt County Sheriff’s Office from 2018.

Upon search, they found a hidden handcuff key attached to his belt.

Most of them are universal handcuff key


Handcuff key hidden in zipper:

Check out this handcuff key. It’s hidden in a zipper. When it’s pulled over, the key is impossible to see. How are you supposed even to find it?

Zipper pull with a concealed handcuff key hidden inside
Covert Handcuff key hidden in zipper
Zipper pull opened to reveal the concealed handcuff key
Covert Handcuff key in zipper
Hand using a zipper pull designed as a concealed handcuff key
Hidden zipper handcuff key in use

Bracelets are also a great place to hide a handcuff key. Keep that in mind when you’ve arrested and cuffed someone.

Bracelet designed to conceal a small handcuff key
Handcuff key hidden in a bracelet

Covert Handcuff key attached to clothing

The cuff keys are so small that they are easy to hide in clothes.

Check this example:

Small handcuff key concealed inside a pair of pants
Handcuff key hidden in pants
Concealed handcuff key attachment sewn into pants
Handcuff key attached to pants

It’s hard to find this handcuff key concealed in the pants.


Shoelace handcuff key

These are handcuff keys hidden in a bootlace. Extremely hard to detect:

Black boot-lace tip designed as a concealed handcuff key
Boot Lace handcuff key
Shoelace tip containing a concealed handcuff key
Shoelace handcuff key

Remember this handcuff key type. It’s not fair!


Concealed handcuff key from Zak Tool

Zak Tool has made this concealed handcuff key case.

Almost impossible to find:

Closed holder designed to conceal a handcuff key
Concealed handcuff key
Open holder revealing the concealed handcuff key inside
Concealed handcuff key open

They’ve also made this key. It’s hidden in a clip for ID cards:

Badge clip designed to conceal a small handcuff key
clip with hidden handcuff key
Badge clip opened to reveal a concealed handcuff key
clip with hidden handcuff key

Do you think you would find this handcuff key?

This is my experience with the swivel handcuff key from Zak Tool (Spoiler alert: I think it is great!)


Handcuff key hidden in a belt keeper:

This one is also from Zak Tools. A handcuff key concealed in a belt keeper.

Belt keeper designed to conceal a handcuff key
Belt keeper hidden handcuff key

Hidden handcuff key buckle

You can easily hide handcuff keys in a belt buckle.

Unfortunately, it’s not as easy to find it:

Belt buckle with a concealed handcuff key compartment
Hidden Handcuff key Buckle

Non-metallic covert handcuff key

Handcuff keys made of plastic or other non-metallic materials are also on the market.

This one for example. Where you can avoid the handcuff key being exposed in a metal detector:

Small nonmetallic handcuff key designed for concealment
Non-metallic covert handcuff key, made by Zak Tools

So why do I write about concealable handcuff keys?

For safety reasons.

Police officers should be aware of their existence.

Hidden keys represent a threat to your security as criminals might open their handcuffs without your knowing.

How to find a concealed handcuff key? And how to avoid the use of hidden keys?

To be honest:

If someone wants to hide a handcuff key, it will be hard to find.

Now you’ve seen a few different kinds of covert handcuff keys on the market.

Read my article about handcuff keys and what types I prefer.

So, at least you have an idea of what to look for.

The best way to avoid someone using a hidden handcuff key is to:

  • Use high-security handcuffs. It comes with unique keys.
  • Always keep an eye on the arrested person.
  • Always be mentally prepared for the person to unlock the handcuffs.
  • Proper attachment of the handcuffs complicates the possibility of taking off the handcuffs. See the images at the bottom of the article for the correct attachment.

Smith and Wesson have its S&W Maximum Security M104. It comes with a handcuff key that is somewhat different from universal handcuff keys.

The chance someone is hiding a handcuff key that fits the M104 is near zero.

If the arrested person is trying to unlock the handcuffs, it should be easy to detect.

Interested in learning more about handcuffs? Be sure to check out our article about the different types of handcuffs.

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