It is important when working a drill that you not only know the purpose, but you use the right tools to help you achieve that purpose.
Most of the Knife Defence Tip clips are intended for those people who have bought my knife defence book: “Watch Out For The Pointy End,” because with most of the clips if you have not bought and read the book they may not mean anything for you and will be out of context. However, this clip, on training tools, is general information.