Training for enduring the cold

■■Please join our crowdfunding project !■■ We want to develop the “Nindo Online Course“ so that you can learn Ninjutsu without having to come to Japan! LInk : This time it’s called “Hioki no Gyo“. We will learn about how to train the body to endure the cold using ice. Ninja Narashino Seiryu-kutsu, is the one who holds a big ice cube to train with. At first glance, this training looks cool, but it is very hard work.