Active Self Protection
"Attitude. Skills. Plan."
https://activeselfprotection.com/
https://www.youtube.com/channel/UCsE_m2z1NrvF2ImeNWh84mw
This YouTube channel has been one of the most instructive I've seen (FDR excepted!). Short 5 minute videos show footage from real life situations and instructs you on how to defend yourself in those situations. Includes robberies, carjackings, home invasions, gun attacks, knife attacks, surprise attacks, etc. I highly recommend spending some time watching ASP's material.
With the increase in violence from the Left, it's important to be able to identify situations before they happen, and if they happen be prepared to act.
Here are some examples (actual footage of shootings, user descrection. . . )