International martial arts coach highly recommended mini ax

Master recommended series, waiting for you to use!
Do you always want to have a carry-on self-defense item?
But too long for a defensive stick, bad quality so that the stick easy to bend. Besides, carrying a knife is illegal and dangerous,
what is a suitable thing to be a self-defense item?
Let international martial arts coach Kevin Lee recommend Dragon steel mini ax to you. Easy to use and carry.
Take a look at the splendid demonstration and introduction!