How to learn ancient Japanese fencing?

Not basic, and age is not a problem at all, as long as ordinary adults can practice.

You are talking about cold-blooded fighting techniques such as swords, and there are really few real descendants in this respect. There is a "Lijiang sharp knife" in Guilin, which is a master of cold-blooded fighting. The essence of cold-blooded fighting comes from the rapid fighting technology in the ancient army. It has been inherited by the method of grasping the opportunity when it is effective, and it has the miraculous effect of killing with one blow. It is powerful, efficient, refined, easy to learn and practice, and can be practiced in ten days. You can also teach a full set of cold fighting self-defense techniques such as short knife method, long knife method, long stick method and nunchakus method, as well as the advanced basic skills of martial arts-graceful palm, which combines grasping and wrestling with bodybuilding to lose weight and treat diseases. This skill can be practiced for many purposes, and it can have several effects at the same time, such as piling, pulling tendons, transporting tendons and exerting force.