Cobalt X (Top Only) is a luminous blue sphere ring top. Cobalt X (Top Only) is compatible with the Defender Ring X ring band only. It does not come with the Defender Ring X band and self defense blade weapon.
Wear Defender Ring X on your index or middle finger as an everyday jewelry ring. In a dangerous situation, make a fist to secure Defender Ring X to your hand, and unscrew the ring top in a counter-clockwise direction to unsheathe the knife weapon. Defend yourself by punching or striking an attacker with your ring knife to cut skin, draw blood, and collect DNA.