I've been saying 30 ft for years, only to be laughed at. I teach my family that 30 is too close for someone suspicious, cross the street if needed.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
On a side note, Inosanto is pretty skilled with a blade and other methods.
Cross draw sheath made for me by Tops (fellow ODTer) it has an incredibly fast deployment