So you need a stun gun for self defense? The Zap Blast Knuckles Stun Gun may be just what you need. This stun gun is a self defense tool for joggers, walkers, and anyone else for that matter. Just fit it around your hand, and you will have it ready when you are attacked. The ZAP Blast Knuckles 950,000 Volt Stun Gun has a contoured rubber-coated action grip handle which prevents the device from slipping out of your hand. There is also a safety switch for your protection. The red light notifies you when the charge is on. Not too expensive but make sure the product is allowed in your state.