Rap Jumping comes from Macka's style and a form of rope work started by the Australian Army in the late 1960s which was known as the "Carabiner Rundown" and internationally known as the Aussie Rappel because of its origin. Macka MacKail created the name "Rap Jumping" to describe his style of forward free-fall jumping and based it in Cairns, Australia as early as 1988. Founder, Macka MacKail gained Certification while serving with the Australian Special Air Service Regiment (SASR).