The Mr. Mike Hand Spike is the ultimate self-defense tool. Super sharp, light weight, concealable, and easy to carry. You can put it on your key chain or have it on your hand when you walk your dog or go out for a walk. When you have it attached to your keys and you hang your arm down naturally, the Mr. Mike Hand Spike will NOT fall of your hand. It's the self-defense tool that is already in your hand when you need it. You can hold your phone and/or carry your purse or groceries and you'll forget it's on your hand. You can't use it, if you don't have it! The Mr. Mike Hand Spike is available in six different colors. Hot Pink, light Pink, Lavender, Blue, Safety Green, and Safety Orange. Join the "Mr. Mike" family and walk with "Peace of Mind!" Have a Safe Day. Sincerely, "Mr. Mike"