Unique training tool designed to teach javelin throwers to throw "through the point". Can be used both indoors and out. Sturdy polyurethane construction. Features & details 300 stubby javelin Petranoff training javelin Great training tool The TurboJav is a youth throwing javelin implement designed for athletics programs for all abilities. They also develop correct throwing technique for many sports like baseball, football, cricket, etc. The TurboJav teaches the basic fundamentals and mechanics associated with any throwing motion. The TurboJav MINI JAVELIN was originally designed to teach beginner javelin throwers the same throwing fundamentals in a safe and fun environment.