Question: Which Squirrel Bait band member went on to become a guitarist for the band Slint?

Context paragraphs:
Ben Hur (Bitch Magnet album): Ben Hur is the second full-length and final album released by the American post-hardcore band Bitch Magnet.  It was recorded after the departure of Bitch Magnet's added guitarist, David Gait, and features an appearance by the band's occasional guitarist, David Grubbs.  "Ben Hur" was recorded by Louisville, Kentucky producer Howie Gano who had engineered albums by Grubbs' previous band, Squirrel Bait.

Britt Walford: Britt Walford (born 1970, in Louisville, Kentucky) is best known for being the drummer for Slint.  He was a member of the punk band Squirrel Bait, but was replaced by Ben Daughtrey when he quit to play with future Slint guitarist David Pajo in the band Maurice.  After the breakups of Squirrel Bait and Maurice, some of the members joined to form the band which would become Slint.  In 1989, Walford joined Pixies bassist Kim Deal in her new project The Breeders at the request of Steve Albini (under the pseudonyms Shannon Doughton & Mike Hunt), with whom he recorded their first album, "Pod" (1990), also appearing for live performances in drag to suit his stage name.  Slint broke up in November 1990, Walford remain semi-active in the music scene, eventually in underground New York jazz bands and playing for bands such as Evergreen and friend Brian McMahan's The For Carnation project.

Brian McMahan: Brian McMahan is a guitarist from Louisville, Kentucky.  He was a member of the band Squirrel Bait and went on to create the seminal band Slint.  He was both vocalist and guitarist for this band.  After their breakup in November 1990, he went on to play with Will Oldham on his project Palace Brothers.  In 1994, Brian formed The For Carnation which acted as a creative outlet; he remains the only permanent member of the band.  He was also part of King Kong.  McMahan plays guitar on the song "Why I'm So Unhappy" by Dntel.

Squirrel Bait: Squirrel Bait was an American punk band from Louisville, Kentucky active from 1983 to 1988.  Squirrel Bait's dense, moody, melodic hardcore sound, featuring pronounced tempo shifts, foreshadowed the grunge sound of the late 1980s as well as math rock.  Squirrel Bait, along with Hüsker Dü, are often noted as precursors to the emocore ("emotional hardcore") sound that arose from the D.C. hardcore punk scene with bands like Rites of Spring, Beefeater and Fugazi.

Slint: Slint is an American rock band consisting of Brian McMahan (guitar and vocals), David Pajo (guitar), Britt Walford (drums and vocals), Todd Brashear (bass on "Spiderland"), and Ethan Buckler (bass on "Tweez").  They formed in Louisville, Kentucky, United States, in 1986.  Slint's first album "Tweez" was recorded by engineer Steve Albini in 1987 and released in obscurity on the Jennifer Hartman Records label in 1989.  It was followed two years later by the critically acclaimed "Spiderland", released on the independent label Touch and Go Records.

Skag Heaven: Skag Heaven is the second record by the American punk rock band Squirrel Bait, released in 1987 through Homestead Records.  Squirrel Bait disbanded after the album's release and the band's members went on to form Slint, Bastro and a number of other influential indie and post-rock bands.

Bitch Magnet: Bitch Magnet was an American post-hardcore band who formed in 1986 at Oberlin College in Ohio and later moved to North Carolina.  They released their first record in 1988.  All of the band's full-length albums were released on Communion Records in the US; they were also signed to the European labels Shigaku/What Goes On and Glitterhouse.  The band disbanded in 1990.  Frontman Sooyoung Park later formed the band Seam with Mac McCaughan (of Superchunk) and Lexi Mitchell.  Post-Seam, Park also played guitar in Ee.  David Grubbs, who was a founding member of Squirrel Bait, was briefly a member of the band while also leading Bastro.  Orestes Morfin went on to drum for Walt Mink and God Rifle.  Jon Fine formed Vineland and Coptic Light, and was briefly a touring guitarist for Don Caballero.

Squirrel Bait (EP): Squirrel Bait is the first record by the American punk rock band Squirrel Bait, released in 1985 through Homestead Records.

Slint discography: The following is a comprehensive discography of Slint, an American math rock band which formed in 1986.  The band has released two studio albums and one EP.  This list does not include material performed by members or former members of Slint that was recorded with The Breeders, Evergreen, The For Carnation, King Kong, Will Oldham, Squirrel Bait, Tortoise, or Zwan.

David Grubbs: David Grubbs (born September 21, 1967), composer, guitarist, pianist, and vocalist, was a founding member of Squirrel Bait, Bastro, and Gastr del Sol.  He has also played in Codeine, The Red Krayola, Bitch Magnet and The Wingdale Community Singers.

Supporting paragraphs: Slint Brian McMahan
Answer: Brian McMahan