edge that if sufficient force is brought to bear on an assailants wrist hand or other body part during self defense it will collect and retain assailant dna so as to assist law enforcement with finding the assailant the size and curvature of the claw together with its location at the base of a user 39 s finger further takes advantage of instinctive clawing defense tactics as would be intuitive to an untrained victim including gripping and pulling away tactics such as grabbing the hand or wrist of the assailant when they are holding onto the victim and pulling in the opposite direction of the body of the victim in addition the dimensions of the claw portion of the ring take into account the depths of the skeletal musculature structure of both the assailant and the victim as well as the location of subcutaneous nerve endings so as to cause non lethal discomfort to the assailant without discomfort to the user see fig6 and 7 the inner diameter of the ring 2 is preferably sized to the user so that it can be worn comfortably during everyday activities in which case the claw may be tucked comfortably into the proximal palmar crease hence increasing the versatility and enhancing the optional use state without injury to the wearer according to a preferred embodiment the ring may be sized one half a size larger than the user 39 s normal ring size to accommodate the width of the band as well as the natural taper of the finger a larger width of the band gives stability and to prevent the creation of a dynamic fulcrum point on the user 39 s finger interior radius.