Equipment to practice Natural Horsemanship

I have spent a lot of time searching for information, good resources, tips and advice. I also spent a lot of time testing equipment, methods and ideas.
Of course, I do not have the pretension to know everything and to deliver the truth, simply to share my personal point of view. My goal is to wake your attention up about this or that matter, so you can eventually evaluate yourself and make the decisions that will fit your horse and yourself better.