Sabre 3in1 Alternatively, another great keychain pepper spray is the Sabre 3in1 This pepper spray is also used by law enforcement officers because it combines UVmarking dye, tear gas, and traditional pepper spray all in one formula This comes in handy for a lot of different reasons because not only will you incapacitate an attacker, but you'll leave the dye on them tooEmma This shop sells selfdefense keychains that include Pepper Spray, Whistle, Kubotan Stick, Faux Fur Pom Keychain, Chapstick/Hand Sanitizer Holder, Wristlet Keychain This is something that has been brought up again lately, especially after the Sarah Everard case Selfdefense has moved past pepper spray into some pretty classy, inconspicuous options (Image via Etsy) 4 Hidden Sword Umbrella Some states have more restrictions than others, and even a selfdefense keychain could get you a fine if you take it to the wrong place