Azan Kubaton Self Defense Keychain Silver. The practically indestructible aluminum design can be used and reused many times. Unlike a stun gun or pepper spray, this self defense key chain does not require a battery, canister, or periodic testing. It is plain hard metal and consistently will remain the same. The pointed tip multiplies impact force from a strike. These are also used to perform submission holds, joint locks, and improve leverage. Concentrate your defensive strength with this Cobra Koga key chain, and easily keep it with you.