What can be use in Urban type survival can be find in the open or right in your home yes this what we called Urban survival training the mind can be use save your life this not cheap toy this show how build a gas mask what I call shinobi gas mask !
These notes and blue print of Grade five tear gas this been test on line what got do with ninjutsu will Ninjutsu also have to deal with over coming odds and tear is one those odds I seen lot gas mask on you tube but none of them looked air tight I Improved what I saw made better one this one real deal.
I build two one green witch is mind and clear one both have same build and but my have shorter air flitter canister and other have longer one this flitter help the flitter air prefaded condiment like dust and smug even tear gas but this gas mask not bio weapon grade here the video show the gas mask.
