Knife and gun laws are a nightmare in some states. So are laws associated with non-lethal means of self-defense, like impact weapons and stun guns. So what can you do about it? Get a Byrna SD Kinetic kit. Here’s what you need to know. What the Byrna SD Kinetic Kit OffersThe Byrna SD (for self-defense) Kinetic is the successor to the Byrna HD and is a pistol-like platform that has been...