The 10 Best Defense Keychains
We spent 27 hours on research, videography, and editing, to review the top choices for this wiki. Protecting yourself from a would-be attacker is a nightmare scenario that you'll hopefully never have to encounter. However, it's always better to be prepared, which is why these defense keychains are wise investments. Whether hitting a criminal with an electric shock, a blinding spray, a deafening alarm or a painful object, our selections will ensure you're the one who walks away. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best defense keychain on Amazon.
10. Hornet Keychain Stun Gun
This Hornet Keychain Stun Gun is a compact and easy-to-hide way to hit a troublemaker with a few thousand volts. It won't knock them out cold, but the loud buzz and painful shock will certainly buy you some time as you run away or call for help.
- weighs less than 2 ounces
- makes an intimidating spark
- won't go through a heavy coat
|Brand||Hornet Keychain Stun Gu|
|Rating||4.2 / 5.0|
9. Vigilant Personal Alarm
The Vigilant Personal Alarm won't serve as a defense tool in and of itself, but its mighty signal is a deterrent to evildoers that is sure to summon help on the double. It also has a built-in LED light that is strong enough to illuminate a dark alleyway.
- disguised as car remote
- legal to carry on airplanes
- easy to activate accidentally
|Brand||Vigilant Personal Prote|
|Rating||4.0 / 5.0|
8. Huayang Coin Knife
The Huayang Coin Knife is perfect for anyone who really doesn't want a lot of bulk in their pockets or purse, as it's only about an inch and a half in diameter. The curved blade is more than enough to make any criminal look for an easier target, however.
- locks to keep knife extended
- great option for survivalists
- hard to open for arthritis sufferers
|Rating||3.7 / 5.0|
7. TI-EDC Titanium Triangle
If you want something that's as attractive as it is useful, the TI-EDC Titanium Triangle will make any keychain look elegant ... until it's lodged in some hooligan's skull. Simply grab two of the corners and let the third one protrude to give your fists an extra wallop.
- comfortable to hold
- doesn't stand out as a weapon
- too small for users with big hands
|Rating||3.8 / 5.0|
6. Vexor Pepper Spray
Vexor Pepper Spray doesn't require any special training or knowledge to allow you to quickly turn the tide on your attacker. Just point and shoot, and you'll dispense a thick burning fog up to 8' in range and 3' in diameter -- so you'll take out his entire gang if need be.
- safe and nonflammable
- all-weather reliability
- trigger can be finicky
|Brand||Vexor Self Defense Pepp|
|Rating||4.8 / 5.0|
5. Guardman Key Knife
If you want something that won't stand out like a sore thumb, then the Guardman Key Knife is for you. At first glance it looks just like any other key, but it can unfold into a knife with a two-inch blade. It doesn't add any extra bulk to your pocket, either.
- won't come open on its own
- handy tool for opening boxes
- difficult to open and close
|Rating||4.8 / 5.0|
4. Mengde Personal Alarm
Staying safe shouldn't mean you have to lug around something monstrously ugly. The Mengde Personal Alarm makes a stylish addition to any purse or keychain, but the 120 dB blast it lets out will make any thug think twice about messing with you.
- comes in pack of 2
- won't damage your hearing
- alarm lasts up to 60 minutes
|Rating||4.6 / 5.0|
3. Fury Tactical SDK
The Fury Tactical SDK is made of aircraft aluminum, ensuring you'll get some serious force behind every blow. It fits neatly on a standard key ring, so you can have it with you at all times without needing to remember to put it in your pocket as you walk out the door.
- good for smaller hands
- finger grooves for control
- won't slip if your palms get sweaty
|Rating||5.0 / 5.0|
2. Sabre Red
Sabre Red combines formidable stopping power with a dye that enables the authorities to identify the attacker after you've escaped. Even better, the proceeds go towards helping vulnerable women in developing nations, so you can feel good about your purchase.
- can quickly detach from keys
- bright and easy to locate
- expiration date clearly marked
|Rating||4.7 / 5.0|
1. TI-EDC TC4 Self Defense Tool
While the TI-EDC TC4 Self Defense Tool may look small and unassuming, your opinion of it will change if you ever feel it hit your head. The durable titanium tip is ideal for hitting pressure points and incapacitating attackers quickly, and won't break off on their skulls.
- very lightweight and compact
- good escape tool in a car accident
- won't corrode if exposed to water
|Rating||4.9 / 5.0|