Balisong

The most COMPLETE and EFFICIENT self defense course for close combat using the KNIFE, designed for solo training.

The common pen has been used for decades as a housing for concealed guns, knives and bombs by secret agents, saboteurs and criminals, and this book is loaded with information, anecdotes and photos on these most esoteric of weapons. Balisong pen knives, hypodermic needle pens, blow pens that shoot poison darts, tear-gas pens, booby-trapped pens and the many types of pen guns are covered.