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A grappling hook is a composite hook attached to a Rope , designed to be thrown or projected a distance, where its hooks will engage with the target. Grappling hooks were originally used in Naval Warfare to catch the Rigging of an enemy ship so that it could be drawn in and boarded. Later, grappling hooks were also used in rescue work or to assist in scaling walls. The most common design consists of a central shaft with an eye to attach the rope, and three equally spaced hooks at the end of the shaft, so arranged that at least one is likely to catch on some protuberance of the target. Unfortunately this design also tends to catch on things during storage and transport, so some modern designs feature folding hooks. Most grappling hooks are thrown by hand; some of those used in rescue work are propelled by Compressed Air or a Rocket . GRAPPLING HOOKS IN FICTION In certain games and movies, an overelaborated fictional version appears. This usually consists of a launcher (sometimes resembling a gun), a small electric motor, and a Rope Cartridge with Hook . The motor enables the hero to pull himself up (by wheeling the rope back to the launcher, while the hook is caught onto a solid Anchor ) or to drag objects and people. Another fictional variant of the grappling hook called the '' Hookshot '' appears in The Legend Of Zelda Series of video games. This device rapidly propels a hook attached to a chain, which then lodges in a wooden object. It then retracts the chain, pulling its target towards the object. Since it is very hard to Engineer any of these devices in a small and compact package, such grappling hooks are used mainly by fictional Superhero es in Comics and Films - where "petty" technical hardships can be overlooked. SEE ALSO
mechanism).
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