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There were also really comparable designs to the balisong produced in England in the late 19th century, most likely likewise stemmed from the pied du roi. But like the latter they were mainly practical tools. Building and construction [modify] There are two main kinds of balisong building: "sandwich building and construction" and "channel construction". Sandwich built balisong knives are put together in layers that are normally pinned or screwed together.
When the knife is closed, the blade rests in between the layers. For a channel constructed balisong, the primary part of each handle is formed from one piece of product. In this handle, a groove is developed (either by folding, milling, or being integrally cast) in which the blade rests when the knife is closed.
In addition, the 2 buildings can be combined to form the "chanwich building", which includes 2 halves of a channel handle screwed together. Although unusual, this building generally keeps the very best aspects of both buildings and discards the worst, as it retains the better handle shape channel building is understood for, while still permitting change of the tightness the deals with are held together with to some extent, as well as simpler access to the within the manage for cleaning.
There are also three techniques of operation balisongs use: bearings, bushings, or just washers. Bearing operated balisongs have little ball bearings housed in a circular concavity around the hole in the pivot. I Found This Interesting enable the deals with of the balisong to turn. Bushing operated balisongs have a small metal bushing somewhat thicker than the tang in each pivot hole with a normally bronze disc referred to as a washer on each side.
There are likewise washer-only run balisongs which are typically much cheaper and lower quality than the other kinds, as they do not require bushings, however the manages will always bind to the tang when the screws are tightened up enough and the washers, tang and handles all use themselves down much quicker due to the increased friction.
The majority of modern-day balisongs, such as the Benchmade 51, do not use Tang Pins. Rather, they utilize "Zen Pins", which are two small pins embedded in the top of the manages of the balisong which make contact with the bottom of the blade. A balisong with zen pins negates the issue of having the tang pins fall out (as is typical of some less expensive designs).