Rather than getting lots of different safety devices, you could just purchase the Sidekick. It combines five vital safety functions: pepper spray, a bright flashlight, a loud alarm, a secure grip, along with a keychain/glass breaker. Comfortable neoprene wristlet strap important ring Struggle Fobs® Plus features all the over plus: https://simonidvlz.blogprodesign.com/53388298/about-bad-dragon-keychains