Personal Safety & Defense
Bertoni Defense System was created to be resource for those who desire to learn how to better protect themselves and those they love by studding personal safety and reality based self-defense.
Yawara Stick Starter Guide
Kickstart your training by downloading your yawara stick starter guide. This guide will give you all the basics you need to get started with learning the yawara stick. The guide includes body conditioning, movements, stances, strikes and more. Enter your email below to receive your guide.
The Yawara Stick or Kubotan is used in various martial arts and in law enforcement as a self-defense tool. The Yawara Stick basics are simple to learn and apply in a self-defense situation. The Yawara Stick makes for a great tool in reality based self-defense and the techniques can also be used with improvised weapons such as flashlights, pens, and even cellphones.