Saddles, bridles, hobbles, ropes, harnesses etc. Both climber and belayer attach the rope to their climbing harnesses. He was aided by safety ropes, harnesses and suction cups. Proper equipment such as helmets, padded harnesses, and reserve parachutes can help reduce injuries. Drivers are required to wear firesuits, safety harnesses, helmets, and head and neck restraints. Since then, it has been used to make ropes, harnesses and saddlery. Initially they were designed for airplane wire harnesses. Junctions of wire harnesses are often joined using ultrasonic welding. Spare leather was used for repairing shoes, harnesses, and other equipment. This includes test parachuting newly designed canopies, harnesses, etc. Siemens had not yet designed the wire harnesses. There are two main styles of harnesses - breaststrap and collar and hames style. The wiring harnesses and hydraulic line routing in the nacelles were subsequently modified. Rewiring upgrade operations consisted of replacing old wiring and harnesses with improved maintainable designs. This greatly reduced the amount and weight of wiring harnesses in the car.