[texas booster]

Most of us have heard of the 21 Foot Rule, when it comes to defending against edged weapons. It is a real thing - witness the video in post # 47.

We also know that sometimes 10 feet is too close to a mentally unstable person.

See the below discussion of defense against knives in a professional setting.

https://www.itstactical.com/warcom/firearms/the-tueller-drill-myth-why-the-21-foot-rule-isnt-a-rule-at-all/

[Navy Patriot]

Bump to the top suggesting all read Texas Booster's reminder of the 21 Foot Rule:

21 Foot Rule