'Nails' (2004) by Kaki King uses a third bridge set over the 16th fret and the technique has also been used by Fred Frith and Keith Rowe in addition to Branca, Moore, and Ranaldo. Reed plays mainly with drumsticks hitting the strings as well. Afterwards Bradford Reed developed the Pencilina. On their debut EP and the album Confusion is Sex this technique is often used. After being trained in the Branca orchestra, Sonic Youth applied their own guitars with screwdrivers, mainly in their early years. From the 1970s, Hans Reichel's self-made and modified acoustic guitars sometimes featured third bridges.ДЇrom the late 1970s, Glenn Branca adopted Partch's theory and used amplified string tables for some of his symphonies. Classical guitar duo Elgart & Yates wrote a small book, Prepared Guitar Techniques, in which the technique is described and used in the added written musical piece, although not defined with the term 'third bridge' yet. In the late 1960s, Keith Rowe made occasional use of third bridge guitars, inspiring a slew of experimental guitarists (notably Fred Frith) to use prepared guitars, inspired by John Cage's technique of the prepared piano. In the 1930s, Harry Partch experimented with this technique on an instrument he called a Kithara that had movable glass rods. Landman published a clarifying 3rd bridge diagram related to this subject in 2012 (and a more elaborate version of this diagram in 2017). The sound is comparable with the sound of bells or clocks ('yielding bell-like resonant sounds.enabled the guitar to more resemble percussive instruments like bells, gongs, and chimes' ). On harmonic positions the created multiphonic tone is consonant and increases in volume and sustain because of the reciprocal string resonance. When played at one part of a string, the opposed part can resonate in a subharmonic of the struck part, depending on a predictable mathematical ratio of the strings' lengths. In contrast, a third bridge divides the string into two pieces. A player sounding a note on a standard guitar vibrates a single portion of the string (between the nut and the bridge or between their fretting finger and the bridge). On a standard guitar, the string is held above the soundboard by two nodes: the 'nut' (near the headstock) and the 'bridge' (near the player's right hand on a standard guitar).

Many non-Western musical scales and musical instruments share these consonant just pitch relations.ДЈrd bridge preparation, the front and the back tone are in a reciprocal relationship and known as the bi-tone The 3rd bridge technique has a physical connection with Pythagoras' monochord, because both function with the scale of harmonics. Perhaps the best-known examples of this technique come from No Wave artists like Glenn Branca and Sonic Youth. Third bridge instruments can be custom-made by experimental luthiers (as with guitars designed and played by Hans Reichel) modified from a non-third bridge instrument (as with conventional guitars modified with a pencil or screwdriver under the strings ) or may take advantage of design quirks of factory-built instruments (as with the Fender Jazzmaster, which has strings that continue from the 'standard' bridge to the vibrato mechanism). The timbre created with this technique is close to that of gamelan instruments like the bonang and similar Indonesian types of pitched gongs.ДЄ third bridge can be devised by inserting a rigid preparation object between the strings and the body or neck of the instrument, effectively diving the string into distinct vibrating segments.

The 3rd bridge is an extended playing technique used on the electric guitar and other string instruments that allows a musician to produce distinctive timbres and overtones that are unavailable on a conventional string instrument with two bridges (a nut and a bridge). ' The pencil creates, 'a damping effect and also prevents energy from transferring across the bridge to the opposing string segment,' with the dowel, 'resulting in greater sustain and cross-string resonance,' and the bracket, 'offers even more sustain than a dowel.' Different possible shapes of a third bridge: 'a common six-sided pencil, a round dowel, and an L-shaped bracket.

Teisco guitar bridge