More and more I like the idea of this kind of thing. A weapon made from material with no metal in it easy to conceal.
The new VZ Punch knife.
” Machined from a solid piece of our proprietary G10 which is non-electrically conductive and doesn’t throw a metal signature should that unexpected Garret wand come out. This is a great little dagger/tool you can take and hide on you anywhere. Our new argyle checkering pattern keeps this little beauty securely in your hand. Makes a excellent addition to your EDC kit. Available with a handmade leather sheath. “
Of course it is already illegal in Kalifornia, so if you live there. Sorry.