PIYE4D These tools function by exerting great force through hydraulic systems, which are capable of cutting through metal, and prying apart heavy objects to create escape routes. The term "Jaws of Life" refers to several types of piston-rod hydraulic tools known as cutters, spreaders and rams that are used to pry open vehicles involved in accidents when a victim may be trapped. These devices are also used to extricate victims from collapsed concrete and steel structures after earthquakes. A typical Jaws of Life machine uses about 1 quart of hydraulic fluid.|The Custom Cyclone had Similar Features