December 7, 2015
Sai (釵, chāi) is perhaps most commonly known in popular culture today as the featured weapon of choice by the comic book characters Raphael of Teenage Mutant Ninja Turtles and Elektra of Marvel Comics. While it is not entirely clear how the sai was created as a weapon, it is widely accepted that the sai originated from mainland Asia several thousand years ago.
February 2, 2015
No matter what levels of force you need, the players stay the same. It is critical to be able to read the players. The threat dictates the situation. You must understand the problem before you can choose a solution. A charm predator is one thing. A drunk wanting to show off for a girl is an entirely different problem. You must learn to read threats and threat dynamics.
January 26, 2015
According to the National Institute for Occupational Safety and Health, 18,000 people a week are victimized by some sort of workplace violence in the United States. In fact, although industrial accidents abound, homicide is actually the leading cause of death among female workers and the second leading cause of death for men.