It also works well for jib and spinsheets, outhauls, the connection of soft loops used for attaching blocks to deck fittings, and numerous other rigging applications. The dogbone is a very convenient way for attaching the halyard line to the headboard as you can maximize sail height without the added length of a conventional shackle. Over the years the device faded into obscurity but was recently revived due to better materials and a new appreciation of its versatility.” The dogbone itself has been around since the days of the tall sailing ships and was originally made from a wooden peg.