Fury Tactical Kuba-Kickz Self Defense Control Device, Clear, Single

I haven't had to use these, and hopefully I never will, but I feel confident that if I do, they will do the job just fine. I pressed them into my own skin just to have a feel, and even that light effort hurt, so I can only imagine when they feel like launched with force into someone's shin or groin!I have them laced into my walking boots. Just having them on me makes me feel a bit safer and less helpless when out and about by myself. The clear colour is actually very noticeable, so I just 'painted' them with a black magic marker. Voila! Hardly noticeable now on my boots. If I can get a hold of another set (a lot of American products are hard to get in the UK, and/or super expensive), I will buy them for another pair of shoes so I don't have to unlace and relace when I want to wear different shoes.I recommend that every woman have at least one pair of these!