A locking retractor is a part of a vehicle seat belt safety system. The retractor holds the webbing of a seat belt system. The retractor helps to keep the passenger safe in case of a collision during the journey. Rising awareness of passenger safety even in emerging and developing economies is estimated to increase the demand for seat belt systems and subsequently increase the demand for locking retractors. Locking retractors locks the webbing at a specified position as selected by a passenger to make his or her journey secure. The retractor does not allow any extra webbing and helps to keep the passenger in upright position in automatic locking retractor. Passengers get uncomfortable during normal journey due to stretched webbing. A new type of retractors known as emergency locking retractors allows free movement of passengers but locks the webbing instantly during vehicle de-acceleration or crash. Thus, rising technological innovation of locking retractors is further projected...