This is more discreet than a brass knuckle but it will do the job just as well.
This handy little tool looks harmless with the cap on, you could even write with it because the pen works.
Get it from Lazada or Amazon.
Lipstick Pepper Spray
Discreet and a perfect fit for your palm, you’ll feel safer walking dark streets with this in your hand.
Backpack Alarm Siren Ring
Hook it in your bag and watch the bad guys panic when it emits its 100dB alarm.
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