Now this knife is actually an Indonesian agricultural life however it also gained quite a bit of Fame in the martial arts circles is being most deadly knife ever produced which actually is a misconception however it is a brutally effective device and capable of drawing material into the blade.
This example happens to be a cheap made-in-china version however the mechanics of the blade and the advancement in high quality stainless steel has produced a extremely efficient cutting tool.
Since I have been involved in an Indonesian martial art form for the past 11 years I have quite a good knowledge of how to operate it effectively.