The Armed

The Armed (often iconized as ⋈) is an American anonymous hardcore punk collective formed in Detroit, Michigan in 2009. All of the band's albums have been released for free via online download and have been produced by Kurt Ballou (of Converge). They are also known for including guest drummers on their releases. These guests include Chris Pennie (ex-The Dillinger Escape Plan), Nick Yacyshyn (of Baptists) and Ben Koller (of Converge).

From Wikipedia