employ ready existing professionals from outside the film industry, either as performers or doubles, continued in the period both up to and beyond World War II, when again the industry was awash with young, fit men looking for work. However, in 1958 Thunder Road starring Robert Mitchum, with stunt coordinator was Carey Loftin and a stunt team including Ray Austin, Neil Castes Sr., Robert Hoy, and Dale Van Sickel, introduced the era of the car chase movie. With the later development of modern action movie, the accident rate of both stunt performers and movie stars started to quickly increase. The stunt performers took action to professionalise their industry, with the creation of new stunt performer run registration, training, certification, and booking agencies. In the 1960s, modern stunt technology was developed, including air rams, air bags, and bullet squibs. Dar Robinson invented the decelerator during this period, which used dragline cables rather than airbags for stunts that called for a jump from high places. The co-development of this technology and professional performance training continues to evolve to the present, brought about through the need to not only create more visual impact on screen in the modern action movie era. It also provides a safe platform to a new breed of trained professional stunt performers, including Bill Hickman, Terry Richards, and motorcycle greats Bud Ekins and Evel Knievel. These new professionals were not only driven to create visual impact, but also perform seemingly impossible feats in a safe and repeatable manner. Latterly came the fast action Martial arts movies as a distinct genre, originating for western consumption mainly from Hong Kong from the 1940s, choreographed and later acted in by stunt performers turned stars including Bruce Lee and Sonny Chiba from the 1960s, Kent Norman "Superkentman" Elofson, and latterly Jackie Chan. Hong Kong action cinema In 1982, Jackie Chan began experimenting with elaborate stunt action sequences in Dragon Lord, which featured a pyramid fight scene that holds the record for the most takes required for a single scene, with 2900 takes, and the final fight scene where he performs various stunts, including one where he does a back flip off a loft and falls to the lower ground. In 1983, Project A saw the official formation of the Jackie Chan Stunt Team and added elaborate, dangerous stunts to the fights and typical slapstick humor (at one point, Chan falls from the top