Highfield lever Highfield lever A Highfield lever is a lever device which allows tension to be rapidly set up in a wire and equally rapidly released to the required extent. It is frequently used in sailing boats where tension in some part of the rigging needs to be adjusted to a pre-set amount as the wind impinges on one side of the sails or the other. It is typically used in running backstays (runners). To make it work, the backstay is led through a block or fairlead along the deck to a two-legged, second order lever mounted with its fulcrum above deck
Lever action for shooting off hand from a standing position to some shooters. There are, however, some lever-action rifles—such as the Winchester Model 1895, which saw service with the Russian Army in World War I—that use a box magazine.<br> Many newer lever-action rifles are capable of shooting groups smaller than 1 minute of angle, making them equal to the accuracy of most modern bolt-action rifles. Another explanation for the lack of widespread use of lever action designs stems from the initial inability to fire high-pressure cartridges. Safe operation could only be carried out by using low-pressure cartridges in the toggle-lock lever action