The Principles of Defense 1.0


Publisher Description

A Note To Training Members

It is very important to understand the principles in this book. Students over the years have talked about a day when everything just clicked. The “click” happens when the principles of defense come together with the physical training. Most students “clicked” between blue belt and brown belt. The objective of this book is to have the “click” happen sooner.
This book will also help those who want a good foundation in self defense.
The principles will help with the understanding of the physical side of personal defense.
Don’t worry if you do not completely understand the principles in this book right away. As you progress through classes, a moment will come when the principle will click with the application. Some principles are easier to grasp than others, just remember to never give up and keep referring to this book.
After each principle some space is left open you can write notes of your own.
Record the things that help make the principles click, techniques that relate to the principle, dates that something clicked or rank that the principle made sense. It will be a diary of sorts on your self defense journey.
Good luck and good training,
Ray Rentschler

The Principles of Defense is a free software application from the Reference Tools subcategory, part of the Education category. The app is currently available in English and it was last updated on 2014-12-17. The program can be installed on Android.

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Program Details


Publisher Manuals Ink, Ltd / American Ninjutsu Academy
Released Date 2014-12-17
Languages English


Category Education
Subcategory Reference Tools

System requirements

Operating systems android

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File size
Total downloads 0


License model Free
Price N/A

Version History

Here you can find the changelog of The Principles of Defense since it was posted on our website on 2017-01-03. The latest version is 1.0 and it was updated on on 2017-07-01. See below the changes in each version:

version 1.0

posted on 2014-12-17

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Release Date: 2014-12-17
Publisher: Manuals Ink, Ltd / American Ninjutsu Academy
Operating System: android
Type: Free