Blowgun was thought as a primitive hunting tool as slingshot. It is more silent than the slingshot but as powerful as the slingshot or bow. Also it is very good for exercising your vital capacity. Either you dont need too much space to practice it for fun. Even you can take it for hiking as crutch or self defense.
The material is aircraft aluminum alloy and the mouthpiece is made from high grade non-toxic rubber.